From Newsgroup: sci.space.news

Welcome to the Space Calendar!

Created in 1994, this Space Calendar covers space-related activities
and anniversaries for the upcoming year. It is also available on the
web at:

http://www.jpl.nasa.gov/calendar/

The online version of the Space Calendar includes over 5,100 links to related home pages.

This calendar is compiled and maintained by Ron Baalke. Please send any updates or corrections to ron@jpl.nasa.gov. Note that launch dates
are subject to change at any time. Also, note that anniversary dates are listed in 5 year increments only.

Follow me on Twitter: https://twitter.com/RonBaalke


=========================
SPACE CALENDAR
September 22, 2017
=========================

* indicates changes from last month's calendar.

September 2017
* Sep ?? - VRSS-2 (Antonio Joso de Sucre) CZ-2D Launch
Sep ?? - GPS 3-1 Delta 4 Launch
Sep ?? - BeiDou-3 (M3 & M4) CZ-3C/YZ-1 Launch
Sep ?? - Gaofen 5 (GF 5) CZ-4B Launch
Sep ?? - Arkyd-6/PicSat/CNUSail 1/KAUSAT 5/SIGMA (KHUSAT 3)/Canyval-X 1 & 2/STEP 1/Fox 1D PSLV Launch
Sep ?? - Chinasat-6C (Zhongxing-6C) CZ-3B/E Launch
Sep ?? - Fengyun 3D CZ-4C Launch
Sep ?? - Cosmos (GLONASS-M 756) Soyuz-2.1b/Fregat-M Launch
* Sep ?? - Jilin 1-04,1-05,1-06 CZ-6 Launch
Sep 22 - Autumnal Equinox, 20:02 UT
* Sep 22 - OSIRIS-REx, Earth Flyby
* Sep 22 - Glonass M Soyuz 2-1b Launch
Sep 22 - Apollo Asteroid 2015 TC24 Near-Earth Flyby (0.070 AU)
Sep 22 - Asteroid 3749 Balam (2 Moons) Closest Approach To Earth (1.310 AU)
Sep 22 - Asteroid 52422 LPL Closest Approach To Earth (2.631 AU)
* Sep 23 - NROL-42/Trumpet Atlas 5 Launch
Sep 23 - Comet C/2015 ER61 (PANSTARRS) Closest Approach To Earth (1.663 AU)
Sep 23 - Comet 352P/Skiff Closest Approach To Earth (1.678 AU)
Sep 23 - Comet P/2001 T3 (NEAT) Closest Approach To Earth (2.387 AU)
Sep 23 - Apollo Asteroid 2017 PR25 Near-Earth Flyby (0.046 AU)
* Sep 23 - Amor Asteroid 2017 SL2 Near-Earth Flyby (0.055 AU)
Sep 23 - Asteroid 85185 Lederman Closest Approach To Earth (0.893 AU)
Sep 23 - Kuiper Belt Object 2010 RE64 At Opposition (51.282 AU)
Sep 23 - 55th Anniversary (1962), "The Jetsons" TV Debut
Sep 24 - Comet 73P-Z/Schwassmann-Wachmann Closest Approach To Earth (1.459 AU)
Sep 24 - Comet 73P-AO/Schwassmann-Wachmann Closest Approach To Earth (1.463 AU)
Sep 24 - Comet 213P/Van Ness Perihelion (1.983 AU)
Sep 24 - Comet 237P/LINEAR Closest Approach To Earth (2.208 AU)
Sep 24 - Comet 25D/Neujmin At Opposition (3.564 AU)
Sep 24 - Asteroid 3174 Alcock Closest Approach To Earth (1.956 AU)
Sep 24 - Kuiper Belt Object 120347 Salacia At Opposition (43.818 AU)
Sep 24 - 165th Anniversary (1852), Henri Giffard Makes 1st Powered and Controlled Flight
Sep 25 - Spektr-RG Zenit-3F Launch
Sep 25 - Comet 213P-B/Van Ness Perihelion (1.983 AU)
Sep 25 - Comet 89P/Russell Closest Approach To Earth (1.988 AU)
Sep 25 - Comet P/2015 M2 (PANSTARRS) Closest Approach To Earth (5.308 AU)
* Sep 25 - Apollo Asteroid 2017 RO16 Near-Earth Flyby (0.011 AU)
* Sep 25 - Apollo Asteroid 2017 RW1 Near-Earth Flyby (0.028 AU)
* Sep 25 - Apollo Asteroid 2017 RW2 Near-Earth Flyby (0.039 AU)
Sep 25 - Asteroid 13752 Grantstokes Closest Approach To Earth (1.086 AU)
Sep 25 - Asteroid 10797 Guatemala Closest Approach To Earth (1.538 AU)
Sep 25 - Asteroid 2266 Tchaikovsky Closest Approach To Earth (2.196 AU)
Sep 25 - 20th Anniversary (1997), STS-86 Launch (Space Shuttle, Atlantis, Mir
Space Station)
Sep 25 - 25th Anniversary (1992), Mars Observer Launch
Sep 26 - Comet 73P-R/Schwassmann-Wachmann Closest Approach To Earth (1.500 AU)
Sep 26 - Comet 59P/Kearns-Kwee Closest Approach To Earth (2.476 AU)
Sep 26 - Comet C/2016 Q4 (Kowalski) Closest Approach To Earth (6.117 AU)
Sep 26 - Comet C/2016 Q4 (Kowalski) At Opposition (6.117 AU)
* Sep 26 - Apollo Asteroid 2017 RB16 Near-Earth Flyby (0.012 AU)
Sep 26 - Apollo Asteroid 5189 (1990 UQ) Near-Earth Flyby (0.061 AU)
Sep 26 - Amor Asteroid 3757 Anagolay Closest Approach To Earth (1.095 AU)
Sep 26 - Harrison Brown's 100th Birthday (1917)
Sep 27 - Comet C/2017 E1 (Borisov) Closest Approach To Earth (2.141 AU)
Sep 27 - Comet 73P-M/Schwassmann-Wachmann Closest Approach To Earth (1.528 AU)
Sep 27 - Comet 73P-AD/Schwassmann-Wachmann Closest Approach To Earth (1.535 AU)
Sep 27 - Dwarf Planet Ceres Occults 2UCAC 40015030 (12.2 Magnitude Star)
* Sep 27 - Apollo Asteroid 2017 RE15 Near-Earth Flyby (0.093 AU)
Sep 27 - Apollo Asteroid 469219 (2016 HO3) Closest Approach To Earth (0.158 AU)
Sep 27 - Asteroid 90022 Apache Point Closest Approach To Earth (1.574 AU)
Sep 27 - Kuiper Belt Object 308933 (2006 SQ372) At Opposition (26.842 AU)
Sep 27 - 10th Anniversary (2007), Dawn Launch (Asteroid Orbiter Mission)
Sep 27 - 20th Anniversary (1997), Last Transmission From Mars Pathfinder
* Sep 28 - AsiaSat 9 Proton-M/Briz-M P4 Launch
* Sep 28 - NROL-52/Quasar 21 Atlas 5 Launch
Sep 28 - Comet 73P-E/Schwassmann-Wachmann Closest Approach To Earth (1.542 AU)
Sep 28 - Apollo Asteroid 2017 GM6 Near-Earth Flyby (0.080 AU)
Sep 28 - Asteroid 15783 Briancox Closest Approach To Earth (2.027 AU)
* Sep 28 - Centaur Object 2015 JH1 At Opposition (4.704 AU)
Sep 28 - 55th Anniversary (1962), Alouette 1 Launch (Canada's 1st Satellite) * Sep 29 - Intelsat 37E/BSAT 4A Ariane 5 Launch
Sep 29 - Comet 73P-BS/Schwassmann-Wachmann At Opposition (0.717 AU)
Sep 29 - Comet 73P-H/Schwassmann-Wachmann Closest Approach To Earth (1.589 AU)
Sep 29 - Comet P/2010 D1 (WISE) At Opposition (1.737 AU)
Sep 29 - Comet P/2006 D1 (Hill) At Opposition (3.246 AU)
Sep 29 - Comet 299P/Catalina-PANSTARRS At Opposition (3.950 AU)
Sep 29 - Comet P/2015 M2 (PANSTARRS) At Opposition (5.311 AU)
Sep 29 - Apollo Asteroid 1989 VB Near-Earth Flyby (0.020 AU)
Sep 29 - Asteroid 71885 Denning Closest Approach To Earth (1.272 AU)
Sep 29 - Asteroid 4716 Urey Closest Approach To Earth (2.339 AU)
Sep 29 - Plutino 469372 (2001 QF298) At Opposition (42.446 AU)
Sep 29 - 40th Anniversary (1977), Salyut 6 Space Station Launch
Sep 29 - Plutino 469372 (2001 QF298) At Opposition (42.446 AU)
Sep 30 - Astronomy Day
Sep 30 - SES-14/GOLD Falcon 9 Launch
Sep 30 - Comet 263P/Gibbs Perihelion (1.263 AU)
Sep 30 - Comet 73P-B/Schwassmann-Wachmann Closest Approach To Earth (1.596 AU)
Sep 30 - Comet 73P-K/Schwassmann-Wachmann Closest Approach To Earth (1.598 AU)
Sep 30 - Comet 73P-G/Schwassmann-Wachmann Closest Approach To Earth (1.615 AU)
Sep 30 - Comet 73P/Schwassmann-Wachmann Closest Approach To Earth (1.619 AU)
Sep 30 - Comet 73P-C/Schwassmann-Wachmann Closest Approach To Earth (1.620 AU)
Sep 30 - Comet 73P-BT/Schwassmann-Wachmann Closest Approach To Earth (1.620 AU)
Sep 30 - Comet 9P/Tempel Closest Approach To Earth (2.560 AU)
Sep 30 - Comet P/2008 CL94 (Lemmon) At Opposition (5.296 AU)
* Sep 30 - Apollo Asteroid 2017 RP15 Near-Earth Flyby (0.038 AU)
Sep 30 - Aten Asteroid 2015 SO2 Near-Earth Flyby (0.066 AU)
Sep 30 - Asteroid 6735 Madhatter Closest Approach To Earth (1.083 AU)
Sep 30 - Asteroid 6296 Cleveland Closest Approach To Earth (1.168 AU)

October 2017
Oct ?? - Zhang Jiaxiang's 85th Birthday (1932)
Oct ?? - BeiDou-3 (M5 & M6) CZ-3C/YZ-1 Launch
Oct ?? - HYLAS-4/Al Yah-3 Ariane 5 Launch
Oct 01 - Comet 73P-AI/Schwassmann-Wachmann At Opposition (0.775 AU)
Oct 01 - Comet P/2010 P4 (WISE) Closest Approach To Earth (0.929 AU)
Oct 01 - Comet 73P-AV/Schwassmann-Wachmann Closest Approach To Earth (1.638 AU)
Oct 01 - Dwarf Planet Ceres Occults TYC 1928-00279-1 (11.0 Magnitude Star)
Oct 01 - Aten Asteroid 2004 QA22 Near-Earth Flyby (0.065 AU)
Oct 01 - Apollo Asteroid 2015 XE Near-Earth Flyby (0.083 AU)
Oct 01 - Apollo Asteroid 2329 Orthos Closest Approach To Earth (0.158 AU)
Oct 01 - Asteroid 327695 Yokoono Closest Approach To Earth (1.578 AU)
Oct 01 - Kuiper Belt Object 2015 RR245 At Opposition (62.481 AU)
Oct 01 - 170th Anniversary (1847), Maria Mitchell Discovers Comet C/1847 T1
* Oct 02 - Echostar 105/SES-11 Falcon 9 Launch
Oct 02 - Comet P/2013 YG46 (Spacewatch) Closest Approach To Earth (1.679 AU)
Oct 02 - Comet P/2010 D1 (WISE) Closest Approach To Earth (1.736 AU)
Oct 02 - Comet 60P/Tsuchinshan Closest Approach To Earth (2.735 AU)
Oct 02 - Comet P/2008 CL94 (Lemmon) Closest Approach To Earth (5.296 AU)
Oct 02 - Asteroid 6487 Tonyspear Closest Approach To Earth (1.287 AU)
Oct 02 - Asteroid 19620 Auckland Closest Approach To Earth (1.691 AU)
Oct 02 - Asteroid 14965 Bonk Closest Approach To Earth (1.792 AU)
Oct 02 - Frank Malina's 105th Birthday (1912)
Oct 03 - Moon Occults Neptune
Oct 03 - Comet 73P-AK/Schwassmann-Wachmann Closest Approach To Earth (1.703 AU)
Oct 03 - Comet 73P-AU/Schwassmann-Wachmann Closest Approach To Earth (1.705 AU)
Oct 03 - Comet 240P/NEAT Closest Approach To Earth (1.877 AU)
Oct 03 - Asteroid 36800 Katarinawitt Closest Approach To Earth (1.084 AU)
Oct 03 - Asteroid 10111 Frensel Closest Approach To Earth (1.622 AU)
Oct 03 - Binary Asteroid 90 Antiope Closest Approach To Earth (1.836 AU)
Oct 03 - 55th Anniversary (1962), Sigma 7 Launch (Walter Schirra)
Oct 03 - 55th Anniversary (1962), Zagami Meteorite Fall (Mars Meteorite)
Oct 03 - 75th Anniversary (1942), 1st Successful Test Launch of the German A-4 Rocket (V-2)
* Oct 04 - Iridium Next 21-30 Falcon 9 Launch
Oct 04 - Comet 352P/Skiff At Opposition (1.695 AU)
* Oct 04 - Apollo Asteroid 2004 RE84 Near-Earth Flyby (0.039 AU)
Oct 04 - Apollo Asteroid 4197 Morpheus Closest Approach To Earth (0.474 AU)
Oct 04 - Asteroid 763 Cupido Closest Approach To Earth (0.875 AU)
Oct 04 - Asteroid 9781 Jubjubbird Closest Approach To Earth (1.272 AU)
Oct 04 - Asteroid 171381 Taipei Closest Approach To Earth (1.769 AU)
Oct 04 - Christen Longomontanus' 455th Birthday (1562)
Oct 04 - 10th Anniversary (2007), Kaguya (Selene 1) Moon Orbit Insertion,
Oct 04 - 60th Anniversary (1957), Sputnik 1 Launch
Oct 04-10 - World Space Week
Oct 05 - Venus Passes 0.2 Degrees From Mars
* Oct 05 - Apollo Asteroid 2017 QO17 Near-Earth Flyby (0.077 AU)
Oct 05 - Atira Asteroid 2012 VE46 Closest Approach To Earth (0.791 AU)
Oct 05 - Asteroid 17058 Rocknroll Closest Approach To Earth (1.547 AU)
Oct 05 - European Southern Observatory's (ESO) 55th Birthday (1962)
Oct 05 - Robert Goddard's 135th Birthday (1882)
Oct 05 - Giorgio Abetti's 135th Birthday (1882)
Oct 06 - Comet 73P-BQ/Schwassmann-Wachmann Closest Approach To Earth (1.772 AU)
Oct 06 - Comet 73P-N/Schwassmann-Wachmann Closest Approach To Earth (1.789 AU)
Oct 06 - Comet 124P/Mrkos At Opposition (3.915 AU)
Oct 06 - Asteroid 277 Elvira Occults HIP 116323 (5.9 Magnitude Star)
Oct 06 - Apollo Asteroid 2011 TB4 Near-Earth Flyby (0.065 AU)
Oct 06 - Apollo Asteroid 2017 GS6 Near-Earth Flyby (0.078 AU)
* Oct 06 - Aten Asteroid 2004 TD10 Near-Earth Flyby (0.084 AU)
Oct 06 - Aten Asteroid 5381 Sekmet Closest Approach To Earth (0.649 AU)
Oct 06 - Asteroid 5819 Lauretta Closest Approach To Earth (1.285 AU)
Oct 06 - Asteroid 35978 Arlington Closest Approach To Earth (1.458 AU)
Oct 06 - Asteroid 9325 Stonehenge Closest Approach To Earth (1.552 AU)
Oct 06 - Asteroid 15550 Sydney Closest Approach To Earth (1.672 AU)
Oct 06 - Asteroid 671 Carnegia Closest Approach To Earth (2.044 AU)
Oct 06 - Nevil Maskelyne's 285th Birthday (1732)
Oct 07 - Comet 73P-W/Schwassmann-Wachmann At Opposition (0.928 AU)
Oct 07 - Comet 73P-AX/Schwassmann-Wachmann Closest Approach To Earth (1.815 AU)
Oct 07 - Comet P/2016 P1 (PANSTARRS) At Opposition (3.049 AU)
Oct 07 - Asteroid 3 Juno Occults 2UCAC 27345728 (12.2 Magnitude Star)
Oct 07 - Asteroid 916 America Closest Approach To Earth (0.829 AU)
Oct 07 - Asteroid 293909 Matterhorn Closest Approach To Earth (1.854 AU)
Oct 07 - Kuiper Belt Object 2008 ST291 At Opposition (59.575 AU)
Oct 07 - 15th Anniversary (2002), STS-112 Launch (Space Shuttle Atlantis, International Space Station)
Oct 07 - 15th Anniversary (2002), Founding of the B612 Foundation
Oct 07 - Donald Machholz's 65th Birthday (1952)
Oct 07 - Franz Suess' 150th Birthday (1867)
Oct 08 - Asteroid 56678 Alicewessen Closest Approach To Earth (1.740 AU)
Oct 08 - 25th Anniversary (1992), Pioneer Venus' Burnup in Venus' Atmosphere
Oct 09 - Draconids Meteor Shower Peak
Oct 09 - Moon Occults Aldebaran
Oct 09 - Comet 73P-BO/Schwassmann-Wachmann Closest Approach To Earth (1.862 AU)
Oct 09 - Comet 73P-BN/Schwassmann-Wachmann Closest Approach To Earth (1.872 AU)
Oct 09 - Comet 232P/Hill At Opposition (3.118 AU)
Oct 09 - Asteroid 134346 Pinatubo Closest Approach To Earth (0.922 AU)
Oct 09 - Asteroid 300221 Brucebills Closest Approach To Earth (1.682 AU)
Oct 09 - Asteroid 51825 Davidbrown Closest Approach To Earth (1.807 AU)
Oct 09 - Asteroid 230975 Rogerfederer Closest Approach To Earth (1.881 AU)
Oct 09 - Asteroid 15371 Steward Closest Approach To Earth (1.924 AU)
Oct 09 - Asteroid 16046 Gregnorman Closest Approach To Earth (2.407 AU)
Oct 09 - 25th Anniversary (1992), Peekskill Meteorite Fall (Hit Car in New York)
Oct 09 - Yury Usachev's 60th Birthday (1957)
* Oct 10 - Michibiki 4 (QZS-4) H-2A Launch
Oct 10 - Comet 73P-BK/Schwassmann-Wachmann Closest Approach To Earth (1.895 AU)
Oct 10 - Comet 73P-J/Schwassmann-Wachmann Closest Approach To Earth (1.909 AU)
Oct 10 - Comet 89P/Russell At Opposition (2.018 AU)
Oct 10 - Asteroid 16897 (1998 DH10) Occults HIP 20804 (5.9 Magnitude Star)
Oct 10 - Apollo Asteroid 2014 DQ Near-Earth Flyby (0.082 AU)
Oct 10 - Asteroid 30857 Parsec Closest Approach To Earth (0.999 AU)
Oct 10 - Asteroid 2001 Einstein Closest Approach To Earth (1.146 AU)
Oct 10 - Asteroid 264020 Stuttgart Closest Approach To Earth (1.495 AU)
Oct 10 - Asteroid 8623 Johnnygalecki Closest Approach To Earth (2.474 AU)
Oct 10 - 50th Anniversary (1967), Enactment of the Outer Space Treaty
Oct 10 - Michael Disney's 80th Birthday (1937)
Oct 11 - Comet P/2010 P4 (WISE) At Opposition (0.942 AU)
Oct 11 - Comet 47P/Ashbrook-Jackson Closest Approach To Earth (1.920 AU)
Oct 11 - Comet 73P-AB/Schwassmann-Wachmann Closest Approach To Earth (1.945 AU)
Oct 11 - Comet 237P/LINEAR At Opposition (2.247 AU)
Oct 11 - Apollo Asteroid 2007 DM41 Near-Earth Flyby (0.090 AU)
Oct 11 - Asteroid 8208 Volta Closest Approach To Earth (1.274 AU)
Oct 11 - Asteroid 432971 Loving Closest Approach To Earth (1.552 AU)
Oct 11 - Kuiper Belt Object 303775 (2005 QU182) At Opposition (51.333 AU)
Oct 11 - 160th Anniversary (1857), Ohaba Meteorite Fall (Fell in Fruit Garden
in Romania)
Oct 12 - Progress MS-7 Soyuz-2.1a Launch (International Space Station 68P)
Oct 12 - Comet 73P-BJ/Schwassmann-Wachmann Closest Approach To Earth (1.959 AU)
Oct 12 - Comet C/2015 T2 (PANSTARRS) Closest Approach To Earth (6.193 AU)
Oct 12 - Apollo Asteroid 2012 TC4 Near-Earth Flyby (0.0003 AU)
* Oct 12 - Apollo Asteroid 2017 RV1 Near-Earth Flyby (0.046 AU)
Oct 12 - Apollo Asteroid 11500 Tomaiyowit Closest Approach To Earth (0.421 AU)
Oct 12 - Apollo Asteroid 4183 Cuno Closest Approach To Earth (1.473 AU)
Oct 12 - Jake Garn's 85th Birthday (1932)
* Oct 13 - Sentinel 5P Rokot/Briz-KM Launch
Oct 13 - Comet 73P-AE/Schwassmann-Wachmann At Opposition (1.119 AU)
Oct 13 - Comet 355P/LINEAR-NEAT Perihelion (1.716 AU)
Oct 13 - Aten Asteroid 2005 TE49 Near-Earth Flyby (0.022 AU)
Oct 13 - Apollo Asteroid 2014 UR116 Near-Earth Flyby (0.072 AU)
Oct 13 - Atira Asteroid 1998 DK36 Closest Approach To Earth (1.262 AU)
Oct 13 - Asteroid 5256 Farquhar Closest Approach To Earth (1.365 AU)
Oct 13 - Asteroid 6135 Billowen Closest Approach To Earth (1.769 AU)
Oct 13 - Kuiper Belt Object 19308 (1996 TO66) At Opposition (46.380 AU)
* Oct 14 - Koreasat 5A (Mugungwha 5A) Falcon 9 Launch
Oct 14 - Comet C/2017 O1 (ASASSN) Perihelion (1.499 AU)
Oct 14 - Comet 73P-AM/Schwassmann-Wachmann Closest Approach To Earth (2.025 AU)
Oct 14 - Comet 263P/Gibbs Closest Approach To Earth (2.070 AU)
Oct 14 - Apollo Asteroid 2016 UO41 Near-Earth Flyby (0.055 AU)
Oct 14 - Asteroid 14061 Nagincox Closest Approach To Earth (1.130 AU)
Oct 14 - Asteroid 7328 Casanova Closest Approach To Earth (1.198 AU)
Oct 14 - Asteroid 12574 LONEOS Closest Approach To Earth (1.638 AU)
Oct 14 - Asteroid 9725 Wainscoat Closest Approach To Earth (1.670 AU)
Oct 14 - Asteroid 1618 Dawn Closest Approach To Earth (1.883 AU)
Oct 14 - 70th Anniversary (1947), Chuck Yeager Breaks Sound Barrier
Oct 15 - Moon Occults Regulus
Oct 15 - Comet 9P/Tempel At Opposition (2.591 AU)
Oct 15 - Apollo Asteroid 2013 UM9 Near-Earth Flyby (0.044 AU)
Oct 15 - Apollo Asteroid 2012 EN5 Near-Earth Flyby (0.091 AU)
Oct 15 - Asteroid 136 Austria Closest Approach To Earth (1.205 AU)
Oct 15 - Asteroid 5720 Halweaver Closest Approach To Earth (1.529 AU)
Oct 15 - Asteroid 224 Oceana Closest Approach To Earth (1.682 AU)
Oct 15 - 20th Anniversary (1997), Cassini Launch (Saturn Orbiter)
Oct 15 - 45th Anniversary (1972), Valera Meteorite Fall (Hit Cow in Venezuela)
Oct 16 - Comet 294P/LINEAR At Opposition (3.915 AU)
Oct 16 - Comet C/2015 T2 (PANSTARRS) At Opposition (6.196 AU)
Oct 16 - Atira Asteroid 2013 JX28 Closest Approach To Earth (0.733 AU)
Oct 16 - Asteroid 32096 Puckett Closest Approach To Earth (1.394 AU)
Oct 16 - Asteroid 294727 Dennisritchie Closest Approach To Earth (2.224 AU)
Oct 17 - SkySat 8-13/COPPER 2/CPOD A & B/MinXSS 2/RANGE A & B Minotaur-C-XL-3210 Launch
Oct 17 - Moon Occults Asteroid 21 Lutetia
Oct 17 - Comet 73P-BL/Schwassmann-Wachmann At Opposition (1.217 AU)
Oct 17 - Comet 73P-AQ/Schwassmann-Wachmann At Opposition (1.284 AU)
Oct 17 - Comet 47P/Ashbrook-Jackson At Opposition (1.925 AU)
Oct 17 - Comet 340P/Boattini Closest Approach To Earth (2.496 AU)
Oct 17 - Comet 65P/Gunn Perihelion (2.910 AU)
Oct 17 - Amor Asteroid 2011 PT Near-Earth Flyby (0.058 AU)
Oct 17 - Asteroid 4511 Rembrandt Closest Approach To Earth (1.360 AU)
Oct 17 - Asteroid 7554 Johnspencer Closest Approach To Earth (2.760 AU)
Oct 17 - Dwarf Planet 136199 Eris At Opposition (95.195 AU)
Oct 17 - 5th Anniversary (2012), Novato Meteorite Fall in California (Hit House)
Oct 18 - 50th Anniversary (1967), Venera 4, Venus Landing
Oct 18 - Mercury Passes 1.0 Degrees from Jupiter
Oct 18 - Comet C/2017 O1 (ASASSN) Closest Approach To Earth (0.720 AU)
Oct 18 - Comet 73P-AR/Schwassmann-Wachmann At Opposition (1.302 AU)
Oct 18 - Comet 73P-AG/Schwassmann-Wachmann At Opposition (1.303 AU)
Oct 18 - Comet 73P-U/Schwassmann-Wachmann Closest Approach To Earth (2.169 AU)
Oct 18 - Comet P/2015 F1 (PANSTARRS) At Opposition (3.372 AU)
Oct 18 - Comet 351P/Wiegert-PANSTARRS At Opposition (3.490 AU)
Oct 18 - Aten Asteroid 2006 TU7 Near-Earth Flyby (0.048 AU)
Oct 18 - Kuiper Belt Object 202421 (2005 UQ513) At Opposition (47.230 AU)
Oct 18 - 40th Anniversary (1977), Charles Kowal's Discovery of Chiron
Oct 18 - Pascual Jordan's 115th Birthday (1902)
Oct 18 - 120th Anniversary (1897), Delhi Meteorite Fall in India
Oct 18 - Carl Kiess' 130th Birthday (1887)
Oct 18 - 170th Anniversary (1847), John Hind's Discovery of Asteroid 8 Flora
Oct 19 - 50th Anniversary (1967), Mariner 5, Venus Flyby
Oct 19 - Uranus At Opposition
Oct 19 - Comet 73P-P/Schwassmann-Wachmann At Opposition (1.342 AU)
Oct 19 - Comet C/2015 V1 (PANSTARRS) At Opposition (3.308 AU)
Oct 19 - Asteroid 8489 Boulder Closest Approach To Earth (2.432 AU)
Oct 20 - Comet 337P/WISE Closest Approach To Earth (2.766 AU)
Oct 20 - Comet C/2015 V1 (PANSTARRS) Closest Approach To Earth (3.308 AU)
Oct 20 - Comet 228P/LINEAR At Opposition (3.438 AU)
Oct 20 - Aten Asteroid 2014 UR Near-Earth Flyby (0.064 AU)
Oct 20 - Asteroid 11836 Eileen Closest Approach To Earth (0.779 AU)
Oct 20 - Asteroid 30439 Moe Closest Approach To Earth (1.658 AU)
Oct 20 - Asteroid 4446 Carolyn Closest Approach To Earth (2.679 AU)
Oct 20 - Christopher Wren's 385th Birthday (1632)
Oct 21 - Orionids Meteor Shower Peak
Oct 21 - Comet 73P-AC/Schwassmann-Wachmann At Opposition (1.395 AU)
Oct 21 - Comet P/2013 YG46 (Spacewatch) At Opposition (1.728 AU)
Oct 21 - Comet 159P/LONEOS At Opposition (2.844 AU)
Oct 21 - Comet 258P/PANSTARRS At Opposition (3.803 AU)
Oct 21 - Asteroid 69263 Big Ben Closest Approach To Earth (1.152 AU)
Oct 21 - Asteroid 1584 Fuji Closest Approach To Earth (1.622 AU)
Oct 21 - Yerkes Observatory's 120th Birthday (1897)
Oct 22 - Comet P/1998 VS24 (LINEAR) At Opposition (2.470 AU)
Oct 22 - Dwarf Planet Ceres Occults TYC 1943-00104-1 (12.1 Magnitude Star)
Oct 22 - Apollo Asteroid 171576 (1999 VP11) Near-Earth Flyby (0.015 AU)
Oct 22 - Apollo Asteroid 2010 VT11 Near-Earth Flyby (0.092 AU)
Oct 22 - Asteroid 4701 Milani Closest Approach To Earth (1.334 AU)
Oct 22 - Asteroid 5661 Hildebrand Closest Approach To Earth (2.607 AU)
Oct 22 - Asteroid 227 Philosophia Closest Approach To Earth (2.730 AU)
Oct 22 - Kuiper Belt Object 308379 (2005 RS43) At Opposition (42.562 AU)
Oct 22 - 25th Anniversary (1992), STS-52 Launch (Space Shuttle Columbia, LAGEOS II)
Oct 23 - Comet 96P/Machholz Closest Approach To Earth (0.879 AU)
Oct 23 - Comet P/1998 VS24 (LINEAR) Closest Approach To Earth (2.470 AU)
Oct 23 - Comet C/2017 C2 (PANSTARRS) Closest Approach To Earth (2.999 AU)
Oct 23 - Apollo Asteroid 2008 GH110 Near-Earth Flyby (0.087 AU)
Oct 23 - Asteroid 8992 Magnanimity Closest Approach To Earth (1.189 AU)
Oct 23 - Aten Asteroid 3362 Khufu Closest Approach To Earth (1.281 AU)
Oct 23 - Asteroid 7644 Cslewis Closest Approach To Earth (1.288 AU)
Oct 23 - Asteroid 13606 Bean Closest Approach To Earth (1.593 AU)
Oct 23 - Asteroid 15092 Beegees Closest Approach To Earth (2.018 AU)
Oct 23 - Centaur Object 2015 KJ153 At Opposition (4.876 AU)
Oct 23 - Neptune Trojan 2011 SO277 At Opposition (29.507 AU)
Oct 23 - 10th Anniversary (2007), STS-120 Launch (Space Shuttle Discovery, International Space Station)
Oct 24 - Comet 73P-X/Schwassmann-Wachmann At Opposition (1.507 AU)
Oct 24 - Comet 73P-L/Schwassmann-Wachmann At Opposition (1.510 AU)
Oct 24 - Comet 73P-AN/Schwassmann-Wachmann At Opposition (1.511 AU)
Oct 24 - Comet 73P-AH/Schwassmann-Wachmann At Opposition (1.526 AU)
Oct 24 - Comet 228P/LINEAR Closest Approach To Earth (3.437 AU)
Oct 24 - Comet 53P/Van Biesbroeck At Opposition (3.531 AU)
Oct 24 - Comet C/2016 U1 (NEOWISE) At Opposition (3.658 AU)
Oct 24 - Aten Asteroid 2016 GK135 Near-Earth Flyby (0.077 AU)
Oct 24 - Aten Asteroid 2008 TC4 Near-Earth Flyby (0.086 AU)
Oct 24 - Asteroid 7041 Nantucket Closest Approach To Earth (0.958 AU)
Oct 24 - Asteroid 3905 Doppler Closest Approach To Earth (1.068 AU)
Oct 24 - Apollo Asteroid 2201 Oljato Closest Approach To Earth (2.063 AU)
Oct 24 - Asteroid 10379 Lake Placid Closest Approach To Earth (2.593 AU)
Oct 25 - Comet 73P-Z/Schwassmann-Wachmann At Opposition (1.578 AU)
Oct 25 - Comet 73P-AO/Schwassmann-Wachmann At Opposition (1.580 AU)
Oct 25 - Comet 73P-AT/Schwassmann-Wachmann Closest Approach To Earth (2.437 AU)
Oct 25 - Aten Asteroid 2013 UR5 Near-Earth Flyby (0.085 AU)
Oct 25 - Apollo Asteroid 2017 FT102 Near-Earth Flyby (0.100 AU)
Oct 25 - Asteroid 9766 Bradbury Closest Approach To Earth (1.414 AU)
Oct 25 - Asteroid 4547 Massachusetts Closest Approach To Earth (1.465 AU)
Oct 25 - Asteroid 4772 Frankdrake Closest Approach To Earth (1.952 AU)
Oct 25 - Asteroid 2039 Payne-Gaposchkin Closest Approach To Earth (2.268 AU)
Oct 25 - Kuiper Belt Object 55636 (2002 TX300) At Opposition (41.567 AU)
Oct 25 - Henry Russell's 140th Birthday (1877)
Oct 26 - Comet 73P-R/Schwassmann-Wachmann At Opposition (1.614 AU)
Oct 26 - Comet 340P/Boattini At Opposition (2.507 AU)
Oct 26 - Comet 159P/LONEOS Closest Approach To Earth (2.840 AU)
* Oct 26 - Apollo Asteroid 2017 QV34 Near-Earth Flyby (0.083 AU)
Oct 26 - Asteroid 4416 Ramses Closest Approach To Earth (0.812 AU)
Oct 26 - Asteroid 5725 Nordlingen Closest Approach To Earth (1.737 AU)
Oct 26 - Asteroid 7100 Martin Luther Closest Approach To Earth (1.806 AU)
Oct 26 - Amor Asteroid 1943 Anteros Closest Approach To Earth (2.038 AU)
Oct 26 - Asteroid 8721 AMOS Closest Approach To Earth (2.826 AU)
Oct 26 - Gaetano Crocco's 140th Birthday (1877)
Oct 27 - Comet 355P/LINEAR-NEAT Closest Approach To Earth (0.732 AU)
Oct 27 - Comet 73P-M/Schwassmann-Wachmann At Opposition (1.643 AU)
Oct 27 - Comet 73P-AD/Schwassmann-Wachmann At Opposition (1.649 AU)
Oct 27 - Comet 73P-E/Schwassmann-Wachmann At Opposition (1.654 AU)
Oct 27 - Comet 175P/Hergenrother At Opposition (3.367 AU)
Oct 27 - Asteroid 1336 Zeelandia Occults HIP 36152 (6.5 Magnitude Star)
Oct 27 - Asteroid 3414 Champollion Closest Approach To Earth (1.054 AU)
Oct 27 - Asteroid 2999 Dante Closest Approach To Earth (1.231 AU)
Oct 27 - Asteroid 7028 Tachikawa Closest Approach To Earth (1.793 AU)
Oct 27 - Asteroid 30440 Larry Closest Approach To Earth (2.509 AU)
Oct 27 - Neptune Trojan 2001 QR322 At Opposition (29.099 AU)
Oct 28 - Comet 96P/Machholz Perihelion (0.124 AU)
Oct 28 - Comet 73P-H/Schwassmann-Wachmann At Opposition (1.696 AU)
Oct 28 - Comet 73P-B/Schwassmann-Wachmann At Opposition (1.702 AU)
Oct 28 - Comet 73P-K/Schwassmann-Wachmann At Opposition (1.703 AU)
Oct 28 - Comet 73P-BF/Schwassmann-Wachmann Closest Approach To Earth (2.557 AU)
Oct 28 - Comet 135P/Shoemaker-Levy At Opposition (3.811 AU)
Oct 28 - Asteroid 12773 Lyman Closest Approach To Earth (1.493 AU)
Oct 28 - Apollo Asteroid 29075 (1950 DA) Closest Approach To Earth (1.578 AU)
Oct 28 - 80th Anniversary (1937), Karl Reinmuth's Discovery of Asteroid 69230
Hermes
Oct 29 - European Summer Time Ends - Set Clock Back 1 Hour (European Union)
Oct 29 - Comet 73P-G/Schwassmann-Wachmann Closest Approach To Earth (1.724 AU)
Oct 29 - Comet 73P/Schwassmann-Wachmann At Opposition (1.727 AU)
Oct 29 - Comet 73P-C/Schwassmann-Wachmann At Opposition (1.728 AU)
Oct 29 - Comet 73P-BT/Schwassmann-Wachmann At Opposition (1.728 AU)
Oct 29 - Comet 73P-AV/Schwassmann-Wachmann At Opposition (1.741 AU)
Oct 29 - Comet C/2015 T5 (Sheppard-Tholen) Closest Approach To Earth (8.823 AU)
Oct 29 - Asteroid 73520 Boslough Closest Approach To Earth (1.274 AU)
Oct 29 - Apollo Asteroid 161989 Cacus Closest Approach To Earth (1.274 AU)
Oct 29 - Asteroid 17627 Humptydumpty Closest Approach To Earth (1.959 AU)
Oct 29 - Apollo Asteroid 2212 Hephaistos Closest Approach To Earth (2.650 AU)
Oct 29 - Centaur Object 49036 Pelion At Opposition (19.848 AU)
Oct 29 - Centaur Object 20461 Dioretsa At Opposition (28.552 AU)
Oct 29 - Kuiper Belt Object 15760 (1992 QB1) At Opposition (40.320 AU)
Oct 30 - Moon Occults Neptune
Oct 30 - Comet 73P-AK/Schwassmann-Wachmann At Opposition (1.798 AU)
Oct 30 - Comet 73P-AU/Schwassmann-Wachmann At Opposition (1.801 AU)
Oct 30 - Comet 73P-BR/Schwassmann-Wachmann Closest Approach To Earth (2.602 AU)
Oct 30 - Comet 73P-BD/Schwassmann-Wachmann Closest Approach To Earth (2.652 AU)
Oct 30 - Aten Asteroid 3753 Cruithne Closest Approach To Earth (0.526 AU)
Oct 30 - Asteroid 4337 Arecibo Closest Approach To Earth (2.564 AU)
Oct 30 - Neptune Trojan 2014 QO441 At Opposition (32.300 AU)
Oct 30 - Kuiper Belt Object 42301 (2001 UR163) At Opposition (51.765 AU)
Oct 31 - Comet P/2016 G1 (PANSTARRS) Closest Approach To Earth (1.492 AU)
Oct 31 - Comet 73P-BG/Schwassmann-Wachmann Closest Approach To Earth (2.638 AU)
Oct 31 - Comet 123P/West-Hartley At Opposition (2.739 AU)
Oct 31 - Apollo Asteroid 2003 UV11 Near-Earth Flyby (0.038 AU)
Oct 31 - Asteroid 3783 Morris Closest Approach To Earth (1.176 AU)
Oct 31 - Asteroid 10958 Mont Blanc Closest Approach To Earth (1.316 AU)
Oct 31 - Asteroid 32605 Lucy Closest Approach To Earth (2.450 AU)

November 2017
Nov ?? - Chang'e 5 CZ-5 Launch (China Lunar Sample Return Mission)
Nov ?? - Falcon 9 Heavy Maiden Launch
Nov ?? - Iridium Next 31-40 Falcon 9 Launch
* Nov ?? - Cartosat-2F PSLV-XL Launch
* Nov ?? - IRNSS-1I PSLV-XL Launch
Nov 01 - Comet 73P-BQ/Schwassmann-Wachmann Closest Approach To Earth (1.868 AU)
Nov 01 - Comet 73P-N/Schwassmann-Wachmann At Opposition (1.881 AU)
Nov 01 - Comet 219P/LINEAR Closest Approach To Earth (1.883 AU)
* Nov 01 - Asteroid 9719 Yakage Occults HIP 36393 (5.1 Magnitude Star)
* Nov 01 - Asteroid 316020 Linshuhow Closest Approach To Earth (1.531 AU)
Nov 01 - Asteroid 1677 Tycho Brahe Closest Approach To Earth (1.643 AU)
Nov 01 - Plutino 47171 (1999 TC36) At Opposition (29.598 AU)
Nov 02 - 100th Anniversary (1917), Mount Wilson 100-inch Telescope First Light
Nov 02 - Comet 355P/LINEAR-NEAT At Opposition (0.736 AU)
Nov 02 - Comet 73P-AX/Schwassmann-Wachmann At Opposition (1.908 AU)
Nov 02 - Comet 73P-V/Schwassmann-Wachmann Closest Approach To Earth (2.665 AU)
Nov 02 - Comet 73P-BB/Schwassmann-Wachmann Closest Approach To Earth (2.743 AU)
Nov 02 - Apollo Asteroid 1989 UP Near-Earth Flyby (0.055 AU)
Nov 02 - Asteroid 85197 Ginkgo Closest Approach To Earth (0.871 AU)
* Nov 02 - Asteroid 46610 Besixdouz Closest Approach To Earth (0.882 AU)
* Nov 02 - Asteroid 8003 Kelvin Closest Approach To Earth (1.018 AU)
Nov 02 - Asteroid 2597 Arthur Closest Approach To Earth (1.543 AU)
Nov 02 - Asteroid 3767 DiMaggio Closest Approach To Earth (1.979 AU)
Nov 02 - Kuiper Belt Object 2014 UM33 At Opposition (42.855 AU)
Nov 02 - 15th Anniversary (2002), Stardust, Asteroid 5535 Annefrank Flyby
Nov 02 - 70th Anniversary (1947), Howard Hughes Flies the Spruce Goose
Nov 03 - Taurids Meteor Shower Peak
Nov 03 - Comet 73P-BO/Schwassmann-Wachmann At Opposition (1.954 AU)
Nov 03 - Comet 73P-BN/Schwassmann-Wachmann At Opposition (1.961 AU)
Nov 03 - Comet 73P-BK/Schwassmann-Wachmann At Opposition (1.979 AU)
Nov 03 - Comet 73P-J/Schwassmann-Wachmann At Opposition (1.990 AU)
Nov 03 - Aten Asteroid 2009 UZ87 Near-Earth Flyby (0.070 AU)
Nov 03 - Apollo Asteroid 2015 WA2 Near-Earth Flyby (0.093 AU)
Nov 03 - Asteroid 1655 Comas Sola Closest Approach To Earth (1.248 AU)
Nov 03 - Asteroid 31664 Randiiwessen Closest Approach To Earth (1.713 AU)
Nov 03 - Asteroid 3524 Schulz Closest Approach To Earth (1.723 AU)
Nov 03 - Apollo Asteroid 4486 Mithra Closest Approach To Earth (2.285 AU)
Nov 03 - Asteroid 5515 Naderi Closest Approach To Earth (2.289 AU)
Nov 03 - Kuiper Belt Object 120348 (2004 TY364) At Opposition (38.116 AU)
Nov 03 - 60th Anniversary (1957), Sputnik 2 Launch (Laika Dog)
Nov 04 - Comet 73P-AB/Schwassmann-Wachmann At Opposition (2.027 AU)
Nov 04 - Comet 73P-BJ/Schwassmann-Wachmann At Opposition (2.038 AU)
Nov 04 - Comet 139P/Vaisala-Oterma Closest Approach To Earth (2.427 AU)
Nov 04 - Comet 139P/Vaisala-Oterma At Opposition (2.427 AU)
Nov 04 - Comet 73P-BA/Schwassmann-Wachmann Closest Approach To Earth (2.794 AU)
Nov 04 - Comet 337P/WISE At Opposition (2.798 AU)
Nov 04 - Comet 73P-BH/Schwassmann-Wachmann Closest Approach To Earth (2.801 AU)
Nov 04 - Comet 73P-BI/Schwassmann-Wachmann Closest Approach To Earth (2.802 AU)
Nov 04 - Comet 73P-BM/Schwassmann-Wachmann Closest Approach To Earth (2.802 AU)
Nov 04 - Comet 73P-BP/Schwassmann-Wachmann Closest Approach To Earth (2.803 AU)
Nov 04 - Comet 31P/Schwassmann-Wachmann At Opposition (3.104 AU)
Nov 04 - Comet C/2015 T5 (Sheppard-Tholen) At Opposition (8.828 AU)
Nov 04 - Aten Asteroid 365424 (2010 KX7) Near-Earth Flyby (0.096 AU)
* Nov 04 - Asteroid 22824 von Neumann Closest Approach To Earth (1.062 AU)
* Nov 04 - Asteroid 3192 A'Hearn Closest Approach To Earth (1.472 AU)
Nov 04 - Asteroid 3430 Bradfield Closest Approach To Earth (1.713 AU)
Nov 04 - Asteroid 3975 Verdi Closest Approach To Earth (1.803 AU)
* Nov 04 - Asteroid 4768 Hartley Closest Approach To Earth (1.804 AU)
Nov 05 - Daylight Saving - Set Clock Back 1 Hour (United States)
Nov 05 - Comet 73P-BE/Schwassmann-Wachmann Closest Approach To Earth (2.812 AU)
Nov 05 - Comet P/2009 L2 (Yang-Gao) At Opposition (4.200 AU)
Nov 05 - Comet P/2014 E1 (Larson) At Opposition (4.292 AU)
Nov 05 - Asteroid 1065 Amundsenia Closest Approach To Earth (1.197 AU)
Nov 05 - Plutino 144897 (2004 UX10) At Opposition (38.267 AU)
Nov 05 - Kuiper Belt Object 2014 UZ224 At Opposition (90.202 AU)
Nov 05 - 10th Anniversary (2007), Chang'e 1, Moon Orbit Insertion
Nov 05 - 15th Anniversary (2002), Galileo, Amalthea 34 Flyby
Nov 05 - John Alcock's 125th Birthday (1893)
Nov 06 - Moon Occults Aldebaran
Nov 06 - Comet 73P-AM/Schwassmann-Wachmann At Opposition (2.101 AU)
Nov 06 - Apollo Asteroid 2004 GD Near-Earth Flyby (0.057 AU)
Nov 06 - Apollo Asteroid 1865 Cerberus Closest Approach To Earth (0.397 AU)
Nov 06 - Asteroid 8621 Jimparsons Closest Approach To Earth (2.224 AU)
Nov 06 - Neptune Trojan 2006 RJ103 At Opposition (29.260 AU)
Nov 06 - Kuiper Belt Object 55637 (2002 UX25) At Opposition (39.623 AU)
Nov 06 - Kuiper Belt Object 84522 (2002 TC302) At Opposition (43.644 AU)
Nov 06 - 20th Anniverary (1997), Galileo, Europa 11 Flyby
Nov 07 - 50th Anniversary (1967), Surveyor 6 Launch (Moon Lander)
Nov 07 - MN35-13 Vega Launch
Nov 07 - Asteroid 4825 Ventura Closest Approach To Earth (0.947 AU)
Nov 07 - Asteroid 991 McDonalda Closest Approach To Earth (2.093 AU)
Nov 07 - 525th Anniversary (1492), Ensisheim Meteorite Fall in Austria
Nov 08 - Comet 73P-U/Schwassmann-Wachmann At Opposition (2.236 AU)
Nov 08 - Comet 73P-AA/Schwassmann-Wachmann Closest Approach To Earth (2.932 AU)
Nov 08 - Comet 87P/Bus At Opposition (3.629 AU)
Nov 08 - Aten Asteroid 2340 Hathor Closest Approach To Earth (0.532 AU)
* Nov 08 - Asteroid 5049 Sherlock Closest Approach To Earth (0.927 AU)
Nov 08 - Asteroid 6560 Pravdo Closest Approach To Earth (1.616 AU)
Nov 08 - Asteroid 469 Argentina Closest Approach To Earth (2.561 AU)
Nov 08 - 25th Anniversary (1992), Geotail, 3rd Moon Flyby
Nov 08 - 35th Anniversary (1982), Wethersfield Meteorite Fall (Hit House)
Nov 08 - Margaret Rhea Seddon's 70th Birthday (1947)
Nov 08 - Ben Bova's 85th Birthday (1932)
Nov 09 - Comet P/2016 G1 (PANSTARRS) At Opposition (1.503 AU)
Nov 09 - Comet 31P/Schwassmann-Wachmann Closest Approach To Earth (3.105 AU) * Nov 09 - Amor Asteroid 2017 SL2 Near-Earth Flyby (0.055 AU)
Nov 09 - Asteroid 5392 Parker Closest Approach To Earth (1.513 AU)
Nov 09 - Apollo Asteroid 6239 Minos Closest Approach To Earth (1.666 AU)
Nov 09 - 50th Anniversary (1967), 1st Saturn V Launch (Apollo 4)
Nov 10 - Cygnus CRS OA-8E/EcAMSat/ISARA/Asgardia 1 Antares 230 Launch (International Space Station)
Nov 10 - Asteroid 207563 Toscana Closest Approach To Earth (1.984 AU)
Nov 10 - Asteroid 19482 Harperlee Closest Approach To Earth (2.595 AU)
* Nov 10 - Asteroid 3202 Graff Closest Approach To Earth (2.740 AU)
* Nov 11 - ASNARO-2 Epsilon Launch
Nov 11 - Moon Occults Regulus
Nov 11 - Comet 183P/Korlevic-Juric Perihelion (3.872 AU)
Nov 11 - Apollo Asteroid 2005 XB1 Near-Earth Flyby (0.096 AU)
Nov 11 - Asteroid 3173 McNaught Closest Approach To Earth (1.344 AU)
Nov 11 - Asteroid 22521 ZZ Top Closest Approach To Earth (1.518 AU)
* Nov 11 - Asteroid 10792 Ecuador Closest Approach To Earth (2.013 AU)
Nov 11 - 35th Anniversary (1982), STS-5 Launch (Space Shuttle Columbia)
Nov 11 - 445th Anniversary (1572), Tycho Brahe's Observation of SN1572
Nov 12 - Comet C/2015 ER61 (PANSTARRS) At Opposition (1.905 AU)
Nov 12 - Comet 123P/West-Hartley Closest Approach To Earth (2.717 AU)
* Nov 13 - Atira Asteroid 2014 FO47 Closest Approach To Earth (0.419 AU)
Nov 12 - Asteroid 18235 Lynden-Bell Closest Approach To Earth (1.901 AU)
* Nov 12 - Asteroid 8990 Compassion Closest Approach To Earth (2.428 AU)
Nov 12 - Richard Truly's 80th Birthday (1937)
Nov 13 - Venus Passes 0.3 Degrees from Jupiter
Nov 13 - Comet 219P/LINEAR At Opposition (1.902 AU)
Nov 13 - Comet 73P-AT/Schwassmann-Wachmann At Opposition (2.491 AU)
Nov 13 - Comet C/2017 C2 (PANSTARRS) At Opposition (3.090 AU)
Nov 13 - Comet 297P/Beshore At Opposition (3.568 AU)
Nov 13 - Comet 86P/Wild At Opposition (3.768 AU)
Nov 13 - Apollo Asteroid 326354 (2000 SJ344) Near-Earth Flyby (0.073 AU)
* Nov 13 - Atira Asteroid 2014 FO47 Closest Approach To Earth (0.419 AU)
Nov 13 - Asteroid 4589 McDowell Closest Approach To Earth (1.194 AU)
Nov 13 - 10th Anniversary (2007), Rosetta, 2nd Earth Flyby
Nov 14 - Moon Occults Asteroid 21 Lutetia
* Nov 14 - Asteroid 2873 Binzel Closest Approach To Earth (1.540 AU)
* Nov 14 - Asteroid 144296 Steviewonder Closest Approach To Earth (1.682 AU)
Nov 15 - Comet 73P-BF/Schwassmann-Wachmann At Opposition (2.604 AU)
Nov 15 - Comet C/2014 C1 (TOTAS) At Opposition (2.693 AU)
Nov 15 - Comet 302P/Lemmon-PANSTARRS Closest Approach To Earth (3.058 AU)
Nov 15 - Comet 73P-AJ/Schwassmann-Wachmann At Opposition (3.837 AU)
Nov 15 - Comet 218P/LINEAR At Opposition (4.021 AU)
Nov 15 - Asteroid 3154 Grant Closest Approach To Earth (1.574 AU)
Nov 15 - Asteroid 19535 Rowanatkinson Closest Approach To Earth (1.612 AU)
Nov 15 - Asteroid 228029 MANIAC Closest Approach To Earth (1.813 AU)
Nov 15 - Kuiper Belt Object 2012 VP113 At Opposition (82.656 AU)
Nov 16 - Moon Occults Asteroid 4 Vesta
Nov 16 - Comet 62P/Tsuchinshan Perihelion (1.384 AU)
Nov 16 - Comet C/2017 E1 (Borisov) At Opposition (2.399 AU)
Nov 16 - Comet 73P-BD/Schwassmann-Wachmann At Opposition (2.696 AU)
Nov 16 - Comet P/2015 J3 (NEOWISE) At Opposition (4.175 AU)
Nov 16 - Apollo Asteroid 2000 UO30 Near-Earth Flyby (0.074 AU)
Nov 16 - Apollo Asteroid 2013 TK69 Near-Earth Flyby (0.082 AU)
Nov 16 - Asteroid 23638 Nagano Closest Approach To Earth (1.301 AU)
Nov 16 - Asteroid 24997 Petergabriel Closest Approach To Earth (1.418 AU)
Nov 16 - Asteroid 2919 Dali Closest Approach To Earth (2.422 AU)
Nov 16 - 40th Anniversary (1977), "Close Encounters of the Third Kind" Released
Nov 16 - 165th Anniversary (1852), Hermann Goldschmidt's Discovery of Asteroid 21 Lutetia
Nov 16 - Jean le Rond d'Alembert's 300th Birthday (1717)
Nov 17 - 50th Anniversary (1967), 1st Successful Lift-Off from Lunar Surface (Surveyor 6)
* Nov 17 - Joint Polar Satellite System 1 (JPSS 1)/Buccaneer RMM/MiRaTA/EagleSat/CP 7 (DAVE)/Fox 1B (RadFxSat)/MakerSat 0 Delta 2 Launch
Nov 17 - Leonids Meteor Shower Peak
Nov 17 - Comet 24P/Schaumasse Perihelion (1.206 AU)
Nov 17 - Comet 73P-BR/Schwassmann-Wachmann At Opposition (2.654 AU)
Nov 17 - Comet 73P-BG/Schwassmann-Wachmann At Opposition (2.685 AU)
Nov 17 - Apollo Asteroid 444584 (2006 UK) Near-Earth Flyby (0.022 AU)
Nov 17 - Aten Asteroid 136818 Selqet Closest Approach To Earth (0.325 AU)
* Nov 17 - Asteroid 1288 Santa Closest Approach To Earth (1.810 AU)
Nov 17 - Neptune Trojan 2007 VL305 At Opposition (27.240 AU)
Nov 17 - Plutino 2003 UZ413 At Opposition (42.874 AU)
Nov 17 - Henry Gellibrand's 420th Birthday (1597)
Nov 18 - Comet 73P-BB/Schwassmann-Wachmann At Opposition (2.782 AU)
Nov 18 - Comet 209P/LINEAR At Opposition (3.432 AU)
Nov 18 - Asteroid 1640 Nemo Closest Approach To Earth (0.947 AU)
Nov 18 - Asteroid 4922 Leshin Closest Approach To Earth (1.205 AU)
Nov 18 - Asteroid 484 Pittsburghia Closest Approach To Earth (1.727 AU)
Nov 18 - Asteroid 4356 Marathon Closest Approach To Earth (2.270 AU)
Nov 18 - Neptune Trojan 2011 WG157 At Opposition (29.819 AU)
Nov 18 - Kuiper Belt Object 2010 VK201 At Opposition (47.069 AU)
Nov 18 - Louis Daguerre's 230th Birthday (1787)
Nov 19 - Comet P/2011 VJ5 (Lemmon) At Opposition (0.965 AU)
Nov 19 - Comet 5D/Brorsen At Opposition (2.203 AU)
Nov 19 - Comet 73P-V/Schwassmann-Wachmann At Opposition (2.711 AU)
Nov 19 - Comet 73P-BA/Schwassmann-Wachmann At Opposition (2.830 AU)
Nov 19 - Asteroid 63163 Jerusalem Closest Approach To Earth (1.320 AU)
Nov 19 - Asteroid 184011 Andypuckett Closest Approach To Earth (1.676 AU)
Nov 19 - Plutino 84719 (2002 VR128) At Opposition (38.566 AU)
Nov 19 - Kuiper Belt Object 90377 Sedna At Opposition (84.262 AU)
Nov 19 - 20th Anniversary (1997), STS-87 Launch (Space Shuttle Columbia)
Nov 19 - Eleanor Helin's 85th Birthday (1932)
Nov 19 - Keith Runcorn's 95th Birthday (1922)
Nov 20 - Mars Summer Solstice
Nov 20 - Comet 54P/de Vico-Swift-NEAT Closest Approach To Earth (1.746 AU)
Nov 20 - Comet 236P/LINEAR Perihelion (1.837 AU)
Nov 20 - Comet 73P-BH/Schwassmann-Wachmann At Opposition (2.841 AU)
Nov 20 - Comet 73P-BI/Schwassmann-Wachmann At Opposition (2.841 AU)
Nov 20 - Comet 73P-BM/Schwassmann-Wachmann At Opposition (2.842 AU)
Nov 20 - Comet 73P-BP/Schwassmann-Wachmann At Opposition (2.842 AU)
Nov 20 - Comet 73P-BE/Schwassmann-Wachmann At Opposition (2.850 AU)
Nov 20 - Comet C/2017 F2 (PANSTARRS) Perihelion (6.931 AU)
Nov 20 - Asteroid 9387 Tweeddledee Closest Approach To Earth (0.944 AU)
Nov 20 - Asteroid 5450 Sokrates Closest Approach To Earth (1.582 AU)
Nov 20 - Asteroid 8630 Billprady Closest Approach To Earth (1.619 AU)
Nov 20 - Asteroid 6154 Stevesynnott Closest Approach To Earth (1.700 AU)
Nov 20 - Apollo Asteroid 3671 Dionysus Closest Approach To Earth (1.781 AU)
Nov 20 - Asteroid 54439 Topeka Closest Approach To Earth (2.089 AU)
* Nov 20 - Asteroid 118945 Rikhill Closest Approach To Earth (2.288 AU)
Nov 20 - Otto von Guericke's 415th Birthday (1602)
Nov 21 - Aten Asteroid 234145 (2000 EW70) Near-Earth Flyby (0.086 AU)
Nov 21 - Apollo Asteroid 163696 (2003 EB50) Near-Earth Flyby (0.094 AU)
Nov 21 - Asteroid 84225 Verish Closest Approach To Earth (1.152 AU)
Nov 21 - Asteroid 16155 Buddy Closest Approach To Earth (1.370 AU)
* Nov 21 - Asteroid 2579 Spartacus Closest Approach To Earth (1.384 AU)
Nov 21 - Asteroid 342843 Davidbowie Closest Approach To Earth (1.621 AU)
Nov 21 - Asteroid 2985 Shakespeare Closest Approach To Earth (1.897 AU)
Nov 21 - Asteroid 4442 Garcia Closest Approach To Earth (2.501 AU)
Nov 22 - Comet 24P/Schaumasse Closest Approach To Earth (1.460 AU)
Nov 22 - Comet 73P-AA/Schwassmann-Wachmann At Opposition (2.963 AU)
Nov 22 - Comet 302P/Lemmon-PANSTARRS At Opposition (3.066 AU)
Nov 22 - Comet 282P/2003 BM80 At Opposition (4.039 AU)
Nov 22 - Aten Asteroid 2016 LO1 Near-Earth Flyby (0.097 AU)
Nov 22 - Asteroid 2228 Soyuz-Apollo Closest Approach To Earth (1.576 AU)
Nov 22 - Alan Stern's 60th Birthday (1957)
Nov 22 - Vladimir Damgov's 70th Birthday (1947)
Nov 22 - Guy Bluford's 75th Birthday (1942)
Nov 22 - 110th Anniverseary (1907), Meteorite Fall in Bali, Central African Republic
Nov 23 - Comet C/2017 E4 (Lovejoy) At Opposition (2.893 AU)
Nov 23 - Comet C/2016 A1 (PANSTARRS) Perihelion (5.328 AU)
Nov 23 - Aten Asteroid 2009 BL71 Near-Earth Flyby (0.079 AU)
* Nov 23 - Asteroid 8444 Popovich Closest Approach To Earth (1.129 AU)
Nov 23 - Asteroid 11714 Mikebrown Closest Approach To Earth (1.819 AU)
Nov 23 - Centaur Object 54598 Bienor At Opposition (13.867 AU)
Nov 23 - 15th Anniversary (2002), STS-113 Launch (Space Shuttle Endeavour, International Space Station)
Nov 23 - 40th Anniversary (1977), Meteosat 1 Launch (Europe's 1st Weather Satellite)
Nov 24 - Mercury At Its Greatest Eastern Elongation (22 Degrees)
* Nov 24 - Asteroid 35977 Lexington Closest Approach To Earth (1.229 AU)
Nov 24 - Asteroid 5451 Plato Closest Approach To Earth (1.870 AU)
Nov 24 - Asteroid 12490 Leiden Closest Approach To Earth (2.547 AU)
Nov 25 - Comet C/2014 C1 (TOTAS) Closest Approach To Earth (2.677 AU)
Nov 25 - Asteroid 5020 Asimov Closest Approach To Earth (1.171 AU)
Nov 26 - Comet 145P/Shoemaker-Levy Closest Approach To Earth (1.124 AU)
Nov 26 - Comet 73P-AW/Schwassmann-Wachmann At Opposition (3.134 AU)
Nov 26 - Comet 73P-AF/Schwassmann-Wachmann At Opposition (3.165 AU)
Nov 26 - Asteroid 335 Roberta Occults HIP 18724 (3.4 Magnitude Star)
Nov 26 - Apollo Asteroid 3361 Orpheus Near-Earth Flyby (0.061 AU)
Nov 26 - Amor Asteroid 2202 Pele Closest Approach To Earth (0.658 AU)
* Nov 26 - Asteroid 3043 San Diego Closest Approach To Earth (0.933 AU)
Nov 26 - Asteroid 7645 Pons Closest Approach To Earth (1.075 AU)
Nov 26 - Asteroid 9253 Oberth Closest Approach To Earth (1.357 AU11)
Nov 26 - Asteroid 3297 Hong Kong Closest Approach To Earth (1.642 AU)
Nov 26 - Asteroid 10957 Alps Closest Approach To Earth (1.675 AU)
* Nov 26 - Asteroid 2246 Bowell Closest Approach To Earth (3.108 AU)
Nov 26 - Boris Yegorov's 80th Birthday (1937)
Nov 27 - Moon Occults Neptune
Nov 27 - Comet 317P/WISE At Opposition (3.641 AU)
Nov 27 - Asteroid 3635 Kreutz Closest Approach To Earth (0.728 AU)
Nov 27 - Asteroid 9777 Enterprise Closest Approach To Earth (1.741 AU)
Nov 27 - Asteroid 7919 Prime Closest Approach To Earth (1.814 AU)
Nov 27 - Asteroid 204852 Frankfurt Closest Approach To Earth (1.859 AU)
Nov 27 - Asteroid 7758 Poulanderson Closest Approach To Earth (1.879 AU)
* Nov 27 - Asteroid 214476 Stephencolbert Closest Approach To Earth (2.312 AU)
Nov 27 - Jim Wetherbee's 65th Birthday (1952)
Nov 28 - 50th Anniversary (1967), Discovery of 1st Pulsar by Jocelyn Bell & Antony Hewish
Nov 28 - Mercury Passes 3.0 Degrees From Saturn
Nov 28 - Comet 73P-AY/Schwassmann-Wachmann At Opposition (3.240 AU)
Nov 28 - Comet 73P-AZ/Schwassmann-Wachmann At Opposition (3.241 AU)
Nov 28 - Apollo Asteroid 11066 Sigurd Closest Approach To Earth (0.807 AU)
Nov 28 - Apollo Asteroid 2009 BD Closest Approach To Earth (1.963 AU)
Nov 28 - Asteroid 11947 Kimclijsters Closest Approach To Earth (2.369 AU)
Nov 28 - Kuiper Belt Object 386723 (2009 YE7) At Opposition (49.823 AU)
Nov 28 - 15th Anniversary (2002), Alsat 1 Launch (1st Algerian Satellite)
Nov 29 - 50th Anniversary (1967), Wresat 1 Launch (Australia's 1st Satellite)

Nov 29 - Comet 229P/Gibbs Closest Approach To Earth (1.937 AU)
Nov 29 - Aten Asteroid 2010 VD139 Near-Earth Flyby (0.013 AU)
Nov 29 - Apollo Asteroid 1863 Antinous Closest Approach To Earth (2.692 AU)
Nov 29 - Kuiper Belt Object 145453 (2005 RR43) At Opposition (38.580 AU)
Nov 30 - Apollo Asteroid 10563 Izhdubar Closest Approach To Earth (1.096 AU)
Nov 30 - Apollo Asteroid 2013 EC20 Closest Approach To Earth (1.681 AU)
Nov 30 - Asteroid 242516 Lindseystirling Closest Approach To Earth (1.864 AU)
Nov 30 - Asteroid 310 Margarita Closest Approach To Earth (1.948 AU)
Nov 30 - Asteroid 1345 Potomac Closest Approach To Earth (2.460 AU)
Nov 30 - Asteroid 41488 Sinbad Closeset Approach To Earth (2.462 AU)

December 2017
* Dec ?? - INCA/ALBus/CACTUS 1/ExoCube 2/MicroMAS 2b/MiTEE 1/PolarCube/Q-PACE/
CAPE 3/RadFxSat 2 (Fox 1E)/PICS 1 & 2 LauncherOne Launch
Dec ?? - Amazonia (SSR-1) Equars VLS-1 Launch
Dec ?? - Meteor-M N2-1/Baumanets 2/Flock 2/Flying Laptop/Ionosfera 1 & 2/Lemur 2 &3/NorSat 1/
Scout/SEAM/TechnoSat/WNISAT 1R Soyuz-2.1b/Fregat-M Launch
Dec ?? - BeiDou-3 (M7 & M8) CZ-3C/YZ-1 Launch
Dec ?? - SES-16/GovSat Falcon 9 Launch
Dec ?? - GSAT-6A GSLV Mk II Launch
Dec 01 - Asteroid 721 Tabora Occults HIP 98688 (4.5 Magnitude Star)
Dec 01 - Kuiper Belt Object 2006 QH181 At Opposition (82.823 AU)
Dec 02 - Comet 14P/Wolf Perihelion (2.741 AU)
Dec 02 - Asteroid 6775 Giorgini Closest Approach To Earth (2.110 AU)
Dec 02 - Kuiper Belt Object 229762 (2007 UK126) At Opposition (41.558 AU)
Dec 02 - 25th Anniversary (1992), STS-53 Launch (Space Shuttle Discovery, DOD)
Dec 03 - Super Moon
Dec 03 - Moon Occults Aldebaran
Dec 03 - Comet 345P/LINEAR Closest Approach To Earth (2.813)
Dec 03 - Comet 221P/LINEAR At Opposition (3.932 AU)
Dec 03 - Apollo Asteroid 2008 WM61 Near-Earth Flyby (0.010 AU)
Dec 03 - Asteroid 3313 Mendel Closest Approach To Earth (2.016 AU)
Dec 03 - Asteroid 12284 Pohl Closest Approach To Earth (2.752 AU)
Dec 03 - Howard Brewington's 65th Birthday (1952)
Dec 03 - 100th Anniversary (1917), Strathmore Meteorite Fall (Hit House in Scotland)
Dec 04 - Comet 90P/Gehrels Closest Approach To Earth (2.246 AU)
Dec 04 - Atira Asteroid 164294 (2004 XZ130) Closest Approach To Earth (1.164 AU)
Dec 05 - Comet 54P/de Vico-Swift-NEAT At Opposition (1.776 AU)
Dec 05 - Asteroid 5263 Arrius Occults HIP 17049 (6.7 Magnitude Star)
Dec 05 - Aten Asteroid 2010 TK7 (Earth Trojan) Closest Approach To Earth (0.202 AU)
Dec 05 - Amor Asteroid 1980 Tezcatlipoca Closest Approach To Earth (0.878 AU)
Dec 05 - Asteroid 3869 Norton Closest Approach To Earth (1.588 AU)
Dec 05 - Kuiper Belt Object 145451 (2005 RM43) At Opposition (35.741 AU)
Dec 05 - Mark Showalter's 60th Birthday (1957)
Dec 05 - Sheldon Glashow's 85th Birthday (1932)
Dec 06 - Nauka/ERA Proton-M P4 Launch (International Space Station 03R)
Dec 06 - Mercury Passes 1.3 Degrees from Saturn
Dec 06 - Comet 79P/du Toit-Hartley At Opposition (1.971 AU)
* Dec 06 - Comet C/2017 P2 (PANSTARRS) Perihelion (2.461 AU)
* Dec 07 - AngoSat 1/Energia 100 Zenit-M/Fregat-SB Launch
Dec 07 - Asteroid 2621 Goto Occults HIP 35842 (6.2 Magnitude Star)
Dec 07 - Asteroid 2198 Ceplecha Closest Approach To Earth (1.159 AU)
Dec 07 - Asteroid 6434 Jewitt Closest Approach To Earth (1.360 AU)
Dec 07 - Asteroid 14220 Alexgibbs Closest Approach To Earth (2.112 AU)
Dec 07 - 45th Anniversary (1972), Apollo 17 Launch (Last Manned Mission to the Moon)
* Dec 08 - ICON (Helio-EX 1) Pegasus XL Launch
Dec 08 - Moon Occults Regulus
Dec 08 - Comet C/2016 R2 (PANSTARRS) At Opposition (2.094 AU)
Dec 08 - Comet C/2017 F1 (Lemmon) Perihelion (4.463 AU)
Dec 08 - Apollo Asteroid 4450 Pan Closest Approach To Earth (1.275 AU)
Dec 08 - Centaur Object 8405 Asbolus At Opposition (20.229 AU)
Dec 08 - Alphonse Borrelly's 175th Birthday (1842)
Dec 08 - 25th Anniversary (1992), Galileo, 2nd Earth Flyby
Dec 09 - Comet P/2016 R4 (Gibbs) At Opposition (3.311 AU)
Dec 10 - Comet 26P/Grigg-Skjellerup At Opposition (2.175 AU)
Dec 10 - Comet 82P/Gehrels Closest Approach To Earth (2.704 AU)
Dec 10 - Comet 82P/Gehrels At Opposition (2.704 AU)
Dec 10 - Comet 345P/LINEAR At Opposition (2.820 AU)
Dec 10 - Asteroid 4525 Johnbauer Occults HIP 14821 (6.1 Magnitude Star)
Dec 10 - Asteroid 18610 Arthurdent Closest Approach To Earth (1.053 AU)
Dec 10 - Apollo Asteroid 136617 (1994 CC) (2 Moons) Closest Approach To Earth
(1.747 AU)
Dec 10 - Asteroid 1002 Olbersia Closest Approach To Earth (1.861 AU)
Dec 10 - 25th Anniversary (1992), Mihonoseki Meteorite Fall (Fell Through Roof Of A House In Japan)
Dec 10 - 40th Anniversary (1977), Soyuz 26 Launch (Salyut 6 Space Station)
Dec 11 - Comet 139P/Vaisala-Oterma Perihelion (3.414 AU)
Dec 11 - Asteroid 2451 Dollfus Closest Approach To Earth (2.067 AU)
Dec 11 - Kuiper Belt Object 2004 XR190 At Opposition (56.305 AU)
Dec 11 - 5th Anniversary (2012), X-37B OTV-1 F-2 Atlas 5 Launch
Dec 12 - 50th Anniversary (1967), Pioneer 8 Launch (Solar Orbiter)
* Dec 12 - Galileo 19-22 Ariane 5 Launch
Dec 12 - Asteroid 17768 Tigerlily Closest Approach To Earth (1.783 AU)
Dec 12 - Asteroid 8353 Megryan Closest Approach To Earth (2.141 AU)
Dec 12 - Plutino 84922 (2003 VS2) At Opposition (35.664 AU)
Dec 12 - Plutino 307463 (2002 VU130) At Opposition (39.187 AU)
Dec 12 - 145th Anniversary (1872), Banbury Meteorite Fall (Hit Wall in England)
* Dec 13 - Topaz 5 (NROL-47) Delta 4M Launch
Dec 13 - Geminids Meteor Shower Peak
Dec 13 - Comet 145P/Shoemaker-Levy At Opposition (1.157 AU)
Dec 13 - Comet 231P/LINEAR-NEAT At Opposition (2.899 AU)
Dec 13 - Comet C/2017 D5 (PANSTARRS) At Opposition (3.252 AU)
Dec 13 - Aten Asteroid 2015 YA Near-Earth Flyby (0.060 AU)
Dec 13 - Apollo Asteroid 2009 QL8 Near-Earth Flyby (0.088 AU)
Dec 13 - Atira Asteroid 2010 XB11 Closest Approach To Earth (1.173 AU)
Dec 13 - Asteroid 6223 Dahl Closest Approach To Earth (1.624 AU)
Dec 13 - Asteroid 1762 Russell Closest Approach To Earth (1.734 AU)
Dec 13 - 5th Anniversary (2012), Chang'E 2 Flyby of Asteroid 4179 Toutatis
Dec 13 - 20th Anniversary (1997), Vissannapeta Meteorite Fall (Hit House in India)
Dec 13 - 45 Years (1972) Since Man Has Walked on the Moon (Apollo 17)
Dec 13 - Kristian Birkeland's 150th Birthday (1867)
Dec 14 - Moon Occults Asteroid 4 Vesta
Dec 14 - Comet 90P/Gehrels At Opposition (2.259 AU)
Dec 14 - Comet 22P/Kopff At Opposition (3.917 AU)
Dec 14 - Aten Asteroid 2015 XX169 Near-Earth Flyby (0.025 AU)
Dec 14 - Atira Asteroid 2015 ME131 Closest Approach To Earth (0.477 AU)
Dec 14 - Asteroid 5841 Stone Closest Approach To Earth (0.934 AU)
Dec 14 - Asteroid 1373 Cincinnati Closest Approach To Earth (1.638 AU)
Dec 14 - 55th Anniversary (1962), Mariner 2, Venus Flyby
Dec 14 - 210th Anniversary (1807), Weston Meteorite Fall (Hit Building in Connecticut)
Dec 15 - Mercury Passes 2.2 Degrees From Venus
Dec 15 - Comet P/2011 VJ5 (Lemmon) Closest Approach To Earth (0.895 AU)
Dec 15 - Comet 217P/LINEAR Closest Approach To Earth (1.303 AU)
Dec 15 - Comet 229P/Gibbs At Opposition (1.965 AU)
Dec 15 - Aten Asteroid 2014 BA3 Closest Approach To Earth (1.745 AU)
Dec 15 - Asteroid 118401 LINEAR Closest Approach To Earth (1.884 AU)
Dec 15 - Kuiper Belt Object 19521 Chaos At Opposition (40.358 AU)
Dec 15 - Henri Becquerel's 165th Birthday (1852)
Dec 15 - 405th Anniversary (1612), 1st Observation of the Andromeda Galaxy Through a Telescope (Simon Marius)
Dec 16 - Arthur C. Clarke's 100th Birthday (1917)
Dec 16 - Bangabandhu-1 Falcon 9 Launch
Dec 16 - Comet 176P/LINEAR Closest Approach To Earth (1.885 AU)
Dec 16 - Apollo Asteroid 3200 Phaethon Near-Earth Flyby (0.069 AU)
Dec 16 - Asteroid 46977 Krakow Closest Approach To Earth (1.214 AU)
Dec 16 - Asteroid 215423 Winnecke Closest Approach To Earth (1.467 AU)
Dec 16 - Asteroid 34419 Corning Closest Approach To Earth (1.911 AU)
Dec 16 - 20th Anniversary (1997), Galileo, Europa 12 Flyby
Dec 16 - 55th Anniversary (1962), Explorer 16 Launch (1st Meteroids Mission)
Dec 16 - 105th Anniversary (1912), 1st Stamp Issued Depicting an Airplane
Dec 16 - Edward Barnard's 160th Birthday (1857)
Dec 17 - Comet C/2017 K6 (Jacques) Closest Approach To Earth (1.822 AU)
Dec 17 - Comet P/2010 D1 (WISE) Perihelion (2.690 AU)
Dec 17 - Comet 208P/McMillan Closest Approach To Earth (2.976 AU)
Dec 17 - Comet 264P/Larsen At Opposition (3.169 AU)
Dec 17 - Comet 296P/Garradd At Opposition (4.094 AU)
Dec 17 - Comet C/2015 V1 (PANSTARRS) Perihelion (4.266 AU)
Dec 17 - Asteroid 9998 ISO Closest Approach To Earth (1.096 AU)
Dec 17 - Asteroid 12426 Racquetball Closest Approach To Earth (1.262 AU)
Dec 17 - Asteroid 13123 Tyson Closest Approach To Earth (1.731 AU)
Dec 17 - Centaur Object 154783 (2004 PA44) At Opposition (19.718 AU)
Dec 17 - 5th Anniversary (2012), GRAIL, Moon Impacts
Dec 17 - Theodore Dunham's 120th Birthday (1897)
Dec 18 - Comet 91P/Russell At Opposition (3.983 AU)
Dec 18 - Amor Asteroid 9950 ESA Closest Approach To Earth (1.207 AU)
Dec 18 - Asteroid 12608 Aesop Closest Approach To Earth (1.212 AU)
Dec 18 - Asteroid 780 Armenia Closest Approach To Earth (2.148 AU)
Dec 18 - Asteroid 54522 Menaechmus Closest Approach To Earth (2.259 AU)
Dec 19 - Comet C/2017 A3 (Elenin) Closest Approach To Earth (3.720 AU)
Dec 19 - Asteroid 4149 Harrison Occults HIP 29509 (6.5 Magnitude Star)
Dec 19 - Aten Asteroid 2011 YD29 Near-Earth Flyby (0.045 AU)
Dec 19 - Asteroid 67085 Oppenheimer Closest Approach To Earth (0.973 AU)
Dec 19 - Asteroid 20 Massalia Closest Approach To Earth (1.093 AU)
Dec 19 - Asteroid 10001 Palermo Closest Approach To Earth (1.189 AU)
Dec 19 - Asteroid 1816 Liberia Closest Approach To Earth (1.200 AU)
Dec 19 - Asteroid 27320 Vellinga Closest Approach To Earth (1.617 AU)
Dec 19 - Asteroid 30826 Coulomb Closest Approach To Earth (1.649 AU)
Dec 19 - Albert Michelson's 165th Birthday (1852)
Dec 20 - Comet 231P/LINEAR-NEAT Closest Approach To Earth (2.892 AU)
Dec 20 - Comet C/2016 X1 (Lemmon) At Opposition (7.181 AU
Dec 20 - Apollo Asteroid 2006 XY Near-Earth Flyby (0.017 AU)
Dec 20 - Apollo Asteroid 2015 GF1 Near-Earth Flyby (0.074 AU)
Dec 20 - Asteroid 31 Euphrosyne Closest Approach To Earth (1.601 AU)
Dec 20 - Asteroid 11094 Cuba Closest Approach To Earth (2.614 AU)
Dec 20 - 15th Anniversary (2002), Nozomi, Earth Flyby
Dec 21 - Winter Solstice, 16:28 UT
Dec 21 - Comet 353P/McNaught Perihelion (2.214 AU)
Dec 21 - Comet 188P/LINEAR-Mueller Closest Approach To Earth (2.317 AU)
Dec 21 - Asteroid 12759 Joule Closest Approach To Earth (2.127 AU)
Dec 21 - Plutino 55638 (2002 VE95) At Opposition (28.811 AU)
Dec 22 - Kanopus V N3 & N4 Soyuz-2.1a/Fregat-M Launch
Dec 22 - Ursids Meteor Shower Peak
Dec 22 - Comet 176P/LINEAR At Opposition (1.891 AU)
Dec 22 - Comet P/2002 EJ57 (LINEAR) At Opposition (2.014 AU)
Dec 22 - Comet 117P/Helin-Roman-Alu At Opposition (4.124 AU)
Dec 22 - Comet C/2010 U3 (Boattini) At Opposition (8.195 AU)
Dec 22 - Apollo Asteroid 418849 (2008 WM64) Near-Earth Flyby (0.039 AU)
Dec 22 - Apollo Asteroid 2015 YQ1 Near-Earth Flyby (0.044 AU)
Dec 22 - Apollo Asteroid 2015 HU9 Near-Earth Flyby (0.098 AU)
Dec 22 - Asteroid 8256 Shenzhou Closest Approach To Earth (0.736 AU)
Dec 22 - Asteroid 246247 Sheldoncooper Closest Approach To Earth (1.779 AU)
Dec 22 - Kuiper Belt Object 78799 (2002 XW93) At Opposition (44.607 AU)
Dec 23 - Comet C/2016 R2 (PANSTARRS) Closest Approach To Earth (2.054 AU)
Dec 23 - Comet P/2006 F4 At Opposition (2.903 AU)
Dec 23 - Asteroid 13667 Samthurman Closest Approach To Earth (1.169 AU)
Dec 23 - Asteroid 5050 Doctorwatson Closest Approach To Earth (1.219 AU)
Dec 23 - Amor Asteroid 1580 Betulia Closest Approach To Earth (1.580 AU)
Dec 23 - Karol Bokbo's 80th Birthday (1937)
Dec 23 - 345th Anniversary (1672), Giovanni Cassini's Discovery of Saturn Moon Rhea
Dec 24 - Comet C/2017 F1 (Lemmon) Closest Approach To Earth (3.657 AU)
Dec 24 - Comet 278P/McNaught At Opposition (4.113 AU)
Dec 24 - Asteroid 263251 Pandabear Closest Approach To Earth (1.322 AU)
Dec 24 - Asteroid 116939 Jonstewart Closest Approach To Earth (1.680 AU)
Dec 25 - Venus Passes 1.1 Degrees From Saturn
Dec 25 - Comet C/2017 F1 (Lemmon) At Opposition (3.657 AU)
Dec 25 - Aten Asteroid 2016 YA1 Near-Earth Flyby (0.080 AU)
Dec 25 - Asteroid 4690 Strasbourg Closest Approach To Earth (0.826 AU)
Dec 25 - Asteroid 1381 Danubia Closest Approach To Earth (1.343 AU)
Dec 25 - Asteroid 1554 Yugoslavia Closest Approach To Earth (1.759 AU)
Dec 25 - Plutino 2002 XV93 At Opposition (37.786 AU)
Dec 26 - Comet 79P/du Toit-Hartley Closest Approach To Earth (1.912 AU)
Dec 26 - Comet 341P/Gibbs At Opposition (3.245 AU)
Dec 26 - Comet P/2007 R3 (Gibbs) At Opposition (3.245 AU)
Dec 26 - Comet C/2015 XY1 (Lemmon) At Opposition (6.985 AU)
Dec 26 - Aten Asteroid 2007 AG Near-Earth Flyby (0.058 AU)
Dec 26 - Apollo Asteroid 2015 AF45 Near-Earth Flyby (0.076 AU)
Dec 26 - Asteroid 3989 Odin Closest Approach To Earth (1.134 AU)
Dec 26 - Asteroid 8625 Simonhelberg Closest Approach To Earth (1.542 AU)
Dec 26 - Asteroid 8720 Takamizawa Closest Approach To Earth (2.444 AU)
Dec 26 - Asteroid 334 Chicago Closest Approach To Earth (3.000 AU)
Dec 27 - Soyuz MS-7 Soyuz-FG Launch (International Space Station 53S)
Dec 27 - Comet C/2016 X1 (Lemmon) Closest Approach To Earth (7.173 AU)
Dec 27 - Comet C/2015 XY1 (Lemmon) Closest Approach (6.984 AU)
Dec 27 - Apollo Asteroid 2014 RJ11 Near-Earth Flyby (0.063 AU)
Dec 27 - Asteroid 4149 Harrison Closest Approach To Earth (1.943 AU)
Dec 27 - Asteroid 5029 Ireland Closest Approach To Earth (2.039 AU)
Dec 27 - Asteroid 35350 Lespaul Closest Approach To Earth (2.601 AU)
Dec 28 - HHK-1/ECA/Moonraker PSLV-XL Launch (Moon Lander)
Dec 28 - Comet 208P/McMillan At Opposition (2.994 AU)
Dec 28 - Asteroid 2409 Chapman Closest Approach To Earth (1.387 AU)
Dec 28 - Asteroid 44597 Thoreau Closest Approach To Earth (1.397 AU)
Dec 28 - Arthur Eddington's 135th Birthday (1882)
Dec 29 - Comet 246P/NEAT At Opposition (4.031 AU)
* Dec 29 - Apollo Asteroid 2017 QL33 Near-Earth Flyby (0.032 AU)
Dec 29 - Apollo Asteroid 2009 EO2 Near-Earth Flyby (0.090 AU)
Dec 29 - Apollo Asteroid 140158 (2001 SX169) Near-Earth Flyby (0.090 AU)
Dec 29 - Asteroid 8622 Mayimbialik Closest Approach To Earth (2.272 AU)
Dec 29 - 40th Anniversary (1977), Discovery of ALHA 77005 Meteorite (Mars Meteorite)
Dec 29 - 240th Anniversary (1777), Captain James Cook Observes Solar Eclipse
Dec 30 - Comet C/2015 X5 (PANSTARRS) Perihelion (6.802 AU)
Dec 30 - Aten Asteroid 2015 SY Near-Earth Flyby (0.067 AU)
Dec 30 - Amor Asteroid 4055 Magellan Closest Approach To Earth (2.156 AU)
Dec 30 - Asteroid 7755 Haute-Provence Closest Approach To Earth (2.364 AU)
Dec 30 - Asteroid 1712 Angola Closest Approach To Earth (2.646 AU)
Dec 31 - Moon Occults Aldebaran
Dec 31 - Comet 288P Closest Approach To Earth (2.060 AU)
Dec 31 - Comet P/2006 F4 Closest Approach To Earth (2.892 AU)
Dec 31 - Comet C/2017 A3 (Elenin) At Opposition (3.747 AU)
Dec 31 - Comet C/2010 U3 (Boattini) Closest Approach To Earth (8.187 AU)
Dec 31 - Atira Asteroid 481817 (2008 UL90) Closest Approach To Earth (0.857 AU)
Dec 31 - Asteroid 3473 Sapporo Closest Approach To Earth (1.346 AU)
Dec 31 - Asteroid 10204 Turing Closest Approach To Earth (1.613 AU)
Dec 31 - Asteroid 1217 Maximiliana Closest Approach To Earth (1.641 AU)
Dec 31 - Asteroid 1282 Utopia Closest Approach To Earth (1.923 AU)
Dec 31 - 10th Anniversary (2007), Deep Impact (EPOXI), 1st Earth Flyby

January 2018
??? ?? - AEHF 4 Atlas 5 Launch
Jan ?? - CRS-13/TSIS/MISSE-FF 1/SDS Falcon 9 Launch (International Space Station)
Jan ?? - Iridium Next 41-50 Falcon 9 Launch
Jan 01 - Mercury At Its Greatest Western Elongation (23 Degrees)
Jan 01 - Asteroid 5899 Jedicke Closest Approach To Earth (0.881 AU)
Jan 01 - Asteroid 1197 Rhodesia Closest Approach To Earth (1.635 AU)
Jan 01 - Asteroid 7707 Yes Closest Approach To Earth (1.799 AU)
Jan 01 - Asteroid 11911 Angel Closest Approach To Earth (2.174 AU)
Jan 02 - Supermoon
Jan 02 - Comet 26P/Grigg-Skjellerup Closest Appraoch To Earth (2.103 AU)
Jan 02 - Aten Asteroid 2015 RT1 Near-Earth Flyby (0.050 AU)
Jan 02 - Asteroid 1103 Sequoia Closest Approach To Earth (1.043 AU)
Jan 02 - Asteroid 5053 Chladni Closest Approach To Earth (1.229 AU)
Jan 02 - Asteroid 3263 Bligh Closest Approach To Earth (1.274 AU)
Jan 02 - Asteroid 904 Rockefellia Closest Approach To Earth (1.804 AU)
Jan 02 - Asteroid 787 Moskva Closest Approach To Earth (1.888 AU)
Jan 02 - Kuiper Belt Object 2014 WP509 At Opposition (41.569 AU)
Jan 03 - Earth At Perihelion (0.983 AU From Sun)
Jan 03 - Quadrantids Meteor Shower Peak
Jan 03 - Comet C/2017 K6 (Jacques) Perihelion (2.003 AU)
Jan 03 - Comet P/2002 EJ57 (LINEAR) Closest Approach To Earth (1.992 AU)
Jan 03 - Comet 188P/LINEAR-Mueller At Opposition (2.340 AU)
Jan 03 - Comet 347P/PANSTARRS Closest Approach To Earth (2.674 AU)
Jan 03 - Asteroid 1031 Arctica Closest Approach To Earth (2.036 AU)
Jan 04 - Comet 338P/McNaught Closest Approach To Earth (2.648 AU)
Jan 04 - Comet 136P/Mueller At Opposition (3.081 AU)
Jan 04 - Asteroid 2062 Aten Closest Approach To Earth (0.979 AU)
Jan 04 - Asteroid 19695 Billnye Closest Approach To Earth (1.357 AU)
Jan 04 - Asteroid 9446 Cicero Closest Approach To Earth (2.551 AU)
Jan 04 - Isaac Newton's 375th Birthday (1643)
Jan 05 - Moon Occults Regulus
Jan 05 - Comet C/2015 X5 (PANSTARRS) Closest Approach To Earth (5.909 AU)
Jan 05 - Comet C/2015 X5 (PANSTARRS) At Opposition (5.909 AU)
Jan 05 - Apollo Asteroid 12711 Tukmit Closest Approach To Earth (0.624 AU)
Jan 05 - Asteroid 76272 De Jong Closest Approach To Earth (1.136 AU)
Jan 05 - Asteroid 26715 South Dakota Closest Approach To Earth (1.514 AU)
Jan 05 - Asteroid 631 Philippina Closeset Approach To Earth (1.684 AU)
Jan 05 - Asteroid 8952 ODAS Closest Approach To Earth (1.751 AU)
Jan 05 - Asteroid 129564 Christy Closest Approach To Earth (1.933 AU)
Jan 05 - Apollo Asteroid 2011 MD Closest Approach To Earth (1.999 AU)
Jan 05 - Asteroid 9250 Chamberlin Closest Approach To Earth (2.621 AU)
Jan 05 - Harold Gatty's 115th Birthday (1903)
Jan 06 - Comet 288P At Opposition (2.066 AU)
Jan 06 - Comet 279P/La Sagra Closest Approach To Earth (2.890 AU)
Jan 06 - Aten Asteroid 2015 YG Near-Earth Flyby (0.094 AU)
Jan 06 - Asteroid 3953 Perth Closest Approach To Earth (1.309 AU)
Jan 06 - Asteroid 3265 Fletcher Closest Approach To Earth (1.441 AU)
Jan 06 - Asteroid 6984 Lewiscarroll Closest Approach To Earth (2.316 AU)
Jan 06 - 20th Anniversary (1998), Lunar Prospector Launch (Moon Orbiter)
Jan 06 - 50th Anniversary (1968), Surveyor 7 Launch (Moon Lander)
Jan 07 - Mars Passes 0.2 Degrees From Jupiter
Jan 07 - Comet C/2017 K4 (ATLAS) Perihelion (2.648 AU)
Jan 07 - Comet 149P/Mueller At Opposition (2.699 AU)
Jan 07 - Aten Asteroid 2013 AT72 Near-Earth Flyby (0.085 AU)
Jan 07 - Asteroid 5608 Olmos Closest Approach To Earth (1.781 AU)
Jan 07 - Asteroid 9340 Williamholden Closest Approach To Earth (2.604 AU)
Jan 07 - Kuiper Belt Object 230965 (2004 XA192) At Opposition (34.608 AU)
Jan 08 - Asteroid 2398 Jilin Closest Approach To Earth (0.852 AU)
Jan 08 - Asteroid 1740 Paavo Nurmi Closest Approach To Earth (1.462 AU)
Jan 08 - Asteroid 243097 Batavia Closest Approach To Earth (1.792 AU)
Jan 08 - Asteroid 6758 Jesseowens Closest Approach To Earth (1.897 AU)
Jan 08 - Asteroid 2483 Guinevere Closest Approach To Earth (2.020 AU)
Jan 08 - 45th Anniversary (1973), Luna 21 Launch (USSR Moon Rover Mission - Lunokhod 2)
Jan 08 - Sir Frank Dyson's 150th Birthday (1868)
Jan 09 - Comet 250P/Larson At Opposition (1.254 AU)
Jan 09 - Comet 128P-A/Shoemaker-Holt Closest Approach To Earth (2.361 AU)
Jan 09 - Comet 343P/NEAT-LONEOS Closest Approach To Earth (2.643 AU)
Jan 09 - Asteroid 2614 Torrence Closest Approach To Earth (1.615 AU)
Jan 09 - Asteroid 6790 Pingouin Closest Approach To Earth (1.860 AU)
Jan 09 - 225th Anniversary (1793), 1st Successful Balloon Flight in the Americas (Jean Pierre Blanchard)
Jan 09 - 375th Anniversary (1643), 1st Observation of Ashen Light of Venus (Giovanni Riccioli)
Jan 10 - Aten Asteroid 2004 FH Near-Earth Flyby (0.051 AU)
Jan 10 - Apollo Asteroid 1620 Geographos Closest Approach To Earth (1.411 AU)
Jan 10 - Asteroid 295565 Hannover Closest Approach To Earth (1.682 AU)
Jan 10 - Apollo Asteroid 3360 Syrinx Closest Approach To Earth (3.240 AU)
Jan 10 - Joachim Muehlner's 105th Birthday (1913)
Jan 11 - Atira Asteroid 2007 EB26 Closest Approach To Earth (0.171 AU)
Jan 11 - Asteroid 6000 United Nations Closest Approach To Earth (1.741 AU)
Jan 11 - Asteroid 67 Asia Closest Approach To Earth (1.865 AU)
Jan 11 - Asteroid 11881 Mirstation Closest Approach To Earth (1.983 AU)
Jan 11 - Asteroid 35165 Quebec Closest Approach To Earth (2.288 AU)
Jan 12 - Moon Occults Asteroid 4 Vesta
Jan 12 - Comet 250P/Larson Closest Approach To Earth (1.253 AU)
Jan 12 - Comet 57P/du Toit-Neujmin-Delporte At Opposition (4.076 AU)
Jan 12 - Comet 57P-A/du Toit-Neujmin-Delporte At Opposition (4.076 AU)
Jan 12 - Comet 320P/McNaught At Opposition (4.191 AU)
Jan 12 - Asteroid 7470 Jabberwock Closest Approach To Earth (1.352 AU)
Jan 12 - Apollo Asteroid 25143 Itokawa Closest Approach To Earth (1.421 AU)
Jan 12 - Asteroid 4923 Clarke Closest Approach To Earth (1.598 AU)
Jan 12 - Asteroid 1489 Attila Clsoest Approach To Earth (2.026 AU)
Jan 13 - Dwarf Planet Ceres Occults TYC 1958-00094-1 (11.7 Magnitude Star)
Jan 13 - Asteroid 4125 Lew Allen Closest Approach To Earth (1.169 AU)
Jan 13 - Asteroid 3001 Michelangelo Closest Approach To Earth (1.243 AU)
Jan 13 - Asteroid 2200 Pasadena Closest Approach To Earth (1.364 AU)
Jan 13 - Asteroid 2867 Steins Closest Approach To Earth (1.731 AU)
Jan 13 - 25th Anniversary (1993), STS-54 Launch (Space Shuttle Endeavour, TDRS-F)
Jan 14 - Comet 217P/LINEAR At Opposition (1.414 AU)
Jan 14 - Comet 347P/PANSTARRS At Opposition (2.693 AU)
Jan 14 - Comet P/2005 L1 (McNaught) At Opposition (3.823 AU)
Jan 14 - Comet 88P/Howell At Opposition (3.876 AU)
Jan 14 - Asteroid 12927 Pinocchio Closest Approach To Earth (1.257 AU)
Jan 14 - Asteroid 736 Harvard Closest Approach To Earth (1.472 AU)
Jan 14 - Asteroid 342431 Hilo Closest Approach To Earth (1.731 AU)
Jan 14 - Asteroid 21811 Burroughs Closest Approach To Earth (1.863 AU)
Jan 14 - Asteroid 6042 Chesirecat Closest Approach To Earth (2.002 AU)
Jan 14 - Asteroid 793 Arizona Closest Approach To Earth (2.074 AU)
Jan 14 - 10th Anniversary (2008), MESSENGER, 1st Mercury Flyby
Jan 14 - Shannon Lucid's 75th Birthday (1943)
Jan 15 - Aten Asteroid 2007 WM3 Near-Earth Flyby (0.098 AU)
Jan 15 - Apollo Asteroid 1864 Daedalus Closest Approach To Earth (1.143 AU)
Jan 15 - Asteroid 2912 Lapalma Closest Approach To Earth (1.246 AU)
Jan 15 - Apollo Asteroid 3838 Epona Closest Approach To Earth (1.266 AU)
Jan 15 - Asteroid 12524 Conscience Closest Approach To Earth (1.654 AU)
Jan 15 - Asteroid 159814 Saguaro Closest Approach To Earth (2.234 AU)
Jan 15 - 45th Anniversary (1973), Luna 21 Moon Landing (USSR Moon Rover Mission - Lunokhod 2)
Jan 16 - Comet 324P/La Sagra Closest Approach To Earth (2.528 AU)
Jan 16 - Apollo Asteroid 438017 (2003 YO3) Near-Earth Flyby (0.071 AU)
Jan 16 - Asteroid 9951 Tyrannosaurus Closest Approach To Earth (1.738 AU)
Jan 16 - Asteroid 7169 Linda Closest Approach To Earth (1.825 AU)
Jan 16 - Anatoly Solovyev's 70th Birthday (1948)
Jan 17 - Comet 128P-A/Shoemaker-Holt At Opposition (2.370 AU)
Jan 17 - Comet 279P/La Sagra At Opposition (2.906 AU)
Jan 17 - Comet C/2016 A1 (PANSTARRS) Closest Approach To Earth (4.397 AU)
Jan 17 - Asteroid 4352 Kyoto Closest Approach To Earth (1.494 AU)
Jan 17 - Asteroid 2041 Lancelot Closest Approach To Earth (1.889 AU)
Jan 17 - Asteroid 8080 Intel Closest Approach To Earth (2.057 AU)
Jan 17 - Asteroid 17078 Sellers Closest Approach To Earth (2.209 AU)
Jan 18 - SBIRS GEO-4 Atlas 5 Launch
Jan 18 - Comet 324P/La Sagra At Opposition (2.529 AU)
Jan 18 - Comet 287P/Christensen At Opposition (4.049 AU)
Jan 18 - Comet P/2011 S1 (Gibbs) Closest Approach To Earth (6.726 AU)
Jan 18 - Apollo Asteroid 4581 Asciepius Closest Approach To Earth (0.289 AU)
Jan 18 - Asteroid 8627 Kunalnayyar Closest Approach To Earth (1.869 AU)
Jan 18 - Jeffrey Williams' 60th Birthday (1958)
Jan 19 - Comet 238P/Read Closest Approach To Earth (2.243 AU)
Jan 19 - Comet P/1998 VS24 (LINEAR) Perihelion (3.439 AU)
Jan 19 - Comet C/2016 A1 (PANSTARRS) At Opposition (4.398 AU)
Jan 19 - Asteroid 43844 Rowling Closest Approach To Earth (1.978 AU)
Jan 19 - Harold Reitsema's 70th Birthday (1948)
Jan 20 - ADM-Aeolus (Earth Explorer 4) Vega Launch
Jan 20 - Comet 149P/Mueller Closest Approach To Earth (2.675 AU)
Jan 20 - Comet 338P/McNaught At Opposition (2.680 AU)
Jan 20 - Comet C/2017 G3 (PANSTARRS) Closest Approach To Earth (2.945 AU)
Jan 20 - Apollo Asteroid 2015 NJ3 Near-Earth Flyby (0.056 AU)
Jan 20 - Apollo Asteroid 2017 MT8 Near-Earth Flyby (0.057 AU)
Jan 20 - Asteroid 2322 Kitt Peak Closest Approach To Earth (1.313 AU)
Jan 20 - Asteroid 15845 Bambi Closest Approach To Earth (1.464 AU)
Jan 20 - Jerry Ross' 70th Birthday (1948)
Jan 20 - Simon Marius' 445th Birthday (1573)
Jan 21 - Comet P/2011 S1 (Gibbs) At Opposition (6.727 AU)
Jan 21 - Apollo Asteroid 2015 XK351 Near-Earth Flyby (0.073 AU)
Jan 21 - Asteroid 10168 Stony Ridge Closest Approach To Earth (1.707 AU)
Jan 21 - Asteroid 24750 Ohm Closest Approach To Earth (1.760 AU)
Jan 21 - Asteroid 23469 Neilpeart Closest Approach To Earth (1.921 AU)
Jan 21 - Apollo Asteroid 314082 Dryope Closest Approach To Earth (1.940 AU)
Jan 21 - Kuiper Belt Object 20000 Varuna At Opposition (42.904 AU)
Jan 21 - Bengt Stromgren's 110th Birthday (1908)
Jan 21 - Luis Cruls' 170th Birthday (1848)
Jan 22 - Comet 130P/McNaught-Hughes Perihelion (1.824 AU)
Jan 22 - Comet 10P/Tempel At Opposition (3.610 AU)
Jan 22 - Comet C/2015 D3 (PANSTARRS) Closest Approach To Earth (8.144 AU)
Jan 22 - Aten Asteroid 306383 (1993 VD) Near-Earth Flyby (0.037 AU)
Jan 22 - Amor Asteroid 2006 AL4 Near-Earth Flyby (0.055 AU)
Jan 22 - Asteroid 2843 Yeti Closest Approach To Earth (1.057 AU)
Jan 22 - Asteroid 6216 San Jose Closest Approach To Earth (1.635 AU)
Jan 22 - Asteroid 7000 Curie Closest Approach To Earth (1.720 AU)
Jan 22 - Asteroid 6128 Lasorda Closest Approach To Earth (2.093 AU)
Jan 22 - Asteroid 12542 Laver Closest Approach To Earth (2.603 AU)
Jan 22 - 20th Anniversary (1998), STS-89 Launch (Space Shuttle Endeavour, Mir
Space Station)
Jan 22 - 50th Anniversary (1968), Apollo 5 Launch
Jan 22 - Lev Landau's 110th Birthday (1908)
Jan 23 - Comet 249P/LINEAR At Opposition (4.041 AU)
Jan 24 - Comet P/1999 XN120 (Catalina) Closest Approach To Earth (2.454 AU)
Jan 24 - Asteroid 9879 Mammuthus Closest Approach To Earth (1.846 AU)
Jan 24 - Centaur Object 32532 Thereus At Opposition (11.761 AU)
Jan 24 - Plutino 208996 (2003 AZ84) At Opposition (43.608 AU)
Jan 24 - Ernst Heinkel's 130th Birthday (1888)
Jan 25 - Asteroid 7850 Buenos Aires Closest Approach To Earth (1.505 AU)
Jan 25 - Asteroid 19019 Sunflower Closest Approach To Earth (1.637 AU)
Jan 25 - Asteroid 1913 Sekanina Closest Approach To Earth (1.890 AU)
Jan 25 - Asteroid 25000 Astrometria Closest Approach To Earth (1.921 AU)
Jan 25 - Asteroid 84784 Bettiepage Closest Approach To Earth (2.122 AU)
Jan 25 - 35th Anniversary (1983), IRAS Launch
Jan 26 - Comet 238P/Read At Opposition (2.250 AU)
Jan 26 - Comet 343P/NEAT-LONEOS At Opposition (2.685 AU)
Jan 26 - Aten Asteroid 2011 CD66 Near-Earth Flyby (0.079 AU)
Jan 26 - Asteroid 1140 Crimea Closest Approach To Earth (1.883 AU)
Jan 26 - Asteroid 2636 Lassell Closest Approach To Earth (2.154 AU)
Jan 26 - 40th Anniversary (1978), IUE Launch
Jan 26 - Leo Goldberg's 105th Birthday (1913)
Jan 27 - Moon Occults Aldebaran
Jan 27 - Comet 74P/Smirnova-Chernykh Perihelion (3.537 AU)
Jan 27 - Asteroid 4 Vesta Occults TYC 6202-01212-1 (11.3 Magnitude Star)
Jan 27 - Asteroid 9619 Terrygilliam Closest Approach To Earth (1.852 AU)
Jan 27 - Asteroid 2866 Hardy Closest Approach To Earth (2.379 AU)
Jan 27 - Antonin Mrkos' 100th Birthday (1918)
Jan 28 - Comet 185P/Petriew Perihelion (0.934 AU)
Jan 28 - Comet 197P/LINEAR Closest Approach To Earth (1.818 AU)
Jan 28 - Comet P/1999 XN120 (Catalina) At Opposition (2.456 AU)
* Jan 28 - Comet C/2016 Q4 (Kowalski) Perihelion (7.084 AU)
Jan 28 - Comet 1P/Halley At Opposition (33.683 AU)
Jan 28 - Asteroid 4628 Laplace Closest Approach To Earth (1.417 AU)
Jan 28 - Asteroid 4999 MPC Closest Approach To Earth (1.918 AU)
Jan 28 - Amor Asteroid 4957 Brucemurray Closest Approach To Earth (2.008 AU)
Jan 28 - Asteroid 11814 Schwamb Closest Approach To Earth (2.266 AU)
Jan 28 - James Watson's 180th Birthday (1838)
Jan 28 - Giovanni Borelli's 410th Birthday (1608)
Jan 29 - Comet 197P/LINEAR Perihelion (1.060 AU)
Jan 29 - Comet C/2016 T3 (PANSTARRS) Closest Approach To Earth (2.193 AU)
Jan 29 - Atira Asteroid 2006 WE4 Closest Approach To Earth (0.106 AU)
Jan 29 - Asteroid 9965 GNU Closest Approach To Earth (1.568 AU)
Jan 30 - Comet 18D/Perrine-Mrkos Closest Approach To Earth (2.472 AU)
Jan 30 - Comet 128P-B/Shoemaker-Holt Closest Approach To Earth (2.691 AU)
Jan 30 - Comet 128P/Shoemaker-Holt Closest Approach To Earth (2.693 AU)
Jan 30 - Comet 350P/McNaught Perihelion (3.751 AU)
Jan 30 - Comet C/2015 D3 (PANSTARRS) At Opposition (8.153 AU)
Jan 30 - Aten Asteroid 2017 BG136 Near-Earth Flyby (0.078 AU)
Jan 30 - Asteroid 3353 Jarvis Closest Approach To Earth (1.118 AU)
Jan 30 - Apollo Asteroid 410777 (2009 FD) Closest Approach To Earth (1.198 AU)
Jan 30 - Asteroid 6470 Aldrin Closest Approach To Earth (1.325 AU)
Jan 30 - Asteroid 9618 Johncleese Closest Approach To Earth (1.651 AU)
Jan 30 - Asteroid 19148 Alaska Closest Approach To Earth (1.829 AU)
Jan 30 - Asteroid 3487 Edgeworth Closest Approach To Earth (2.103 AU)
Jan 30 - Robert Jedicke's 55th Birthday (1963)
Jan 30 - 150th Anniversary (1868), Pultusk Meteorite Shower (Hit Houses)
Jan 31 - Total Lunar Eclipse
Jan 31 - Supermoon
Jan 31 - Aten Asteroid 2003 CA4 Near-Earth Flyby (0.054 AU)
Jan 31 - Aten Asteroid 2017 BB30 Near-Earth Flyby (0.098 AU)
Jan 31 - Asteroid 64070 NEAT Closest Approach To Earth (1.440 AU)
Jan 31 - Asteroid 2281 Biela Closest Approach To Earth (1.519 AU)
Jan 31 - Asteroid 1631 Kopff Closest Approach To Earth (1.698 AU)
Jan 31 - Asteroid 60186 Las Cruces Closest Approach To Earth (1.733 AU)
Jan 31 - Asteroid 2956 Yeomans Closest Approach To Earth (1.838 AU)
Jan 31 - 60th Anniversary (1958), Explorer 1 Launch (1st US Satellite)

February 2018
Feb ?? - BeiDou-3 (M9 & M10) CZ-3C/YZ-1 Launch
* Feb ?? - GSAT-20 LVM3 Launch
Feb 01 - 15th Anniversary (2003), Space Shuttle Columbia Disaster
Feb 01 - Moon Occults Regulus
Feb 01 - Comet 344P/Read Closest Approach To Earth (2.992 AU)
Feb 01 - Asteroid 3837 Carr Closest Approach To Earth (1.581 AU)
Feb 01 - Dwarf Planet Ceres Closest Approach To Earth (1.602 AU)
Feb 01 - Asteroid 4252 Godwin Closest Approach To Earth (1.685 AU)
Feb 01 - Asteroid 4103 Chahine Closest Approach To Earth (1.848 AU)
Feb 01 - 15th Anniversary (2003), Hiroshima Meteorite Fall (Hit Warehouse in Japan)
Feb 02 - HTV-7 H-2B Launch
Feb 02 - Comet 250P/Larson Perihelion (2.213 AU)
Feb 02 - Comet C/2017 G3 (PANSTARRS) At Opposition (2.991 AU)
Feb 02 - Dwarf Planet Ceres Occults TYC 2492-00824-1 (10.5 Magnitude Star)
Feb 02 - Apollo Asteroid 2002 CB19 Near-Earth Flyby (0.027 AU)
Feb 03 - Comet P/2005 J1 (McNaught) At Opposition (1.938 AU)
Feb 03 - Comet 323P/SOHO At Opposition (3.544 AU)
Feb 03 - Asteroid 3255 Tholen Closest Approach To Earth (1.059 AU)
Feb 03 - Asteroid 3264 Bounty Closest Approach To Earth (1.779 AU)
Feb 03 - Asteroid 12818 Tomhanks Closest Approach To Earth (1.920 AU)
Feb 03 - Asteroid 1000 Piazzia Closest Approach To Earth (2.410 AU)
Feb 03 - Apollo Asteroid 6489 Golevka Closest Approach To Earth (2.510 AU)
Feb 03 - Alan Rubin's 65th Birthday (1953)
Feb 04 - Apollo Asteroid 276033 (2002 AJ129) Near-Earth Flyby (0.028 AU)
Feb 04 - Asteroid 9341 Gracekelly Closest Approach To Earth (1.789 AU)
Feb 04 - Asteroid 1940 Whipple Closest Approach To Earth (1.955 AU)
Feb 05 - Comet 107P/Wilson-Harrington At Opposition (1.803 AU)
Feb 05 - Asteroid 3306 Byron Closest Approach To Earth (1.514 AU)
Feb 05 - Asteroid 8553 Bradsmith Closest Approach To Earth (1.520 AU)
Feb 05 - Asteroid 19034 Santorini Closest Approach To Earth (2.802 AU)
Feb 05 - Asteroid 37452 Spirit Closest Approach To Earth (2.934 AU)
Feb 05 - 55th Anniversary (1963), 1st Quasar Redshift Measurement (Maarten Schmidt)
Feb 05 - 175th Anniversary (1843), Great Comet of 1843 Discovered
Feb 06 - Comet 311P/PANSTARRS Closest Approach To Earth (1.122 AU)
Feb 06 - Asteroid 4 Vesta Occults 2UCAC 25787320 (11.0 Magnitude Star)
Feb 06 - Asteroid 4 Vesta Occults 6216-00783-1 (10.2 Magnitude Star)
Feb 06 - Asteroid 7359 Messier Closest Approach To Earth (2.149 AU)
Feb 06 - 130th Anniversary (1888), Williamina Fleming's Discovery of the Horsehead Nebula
Feb 06 - Thomas David Anderson's 165th Birthday (1853)
Feb 07 - Comet 128P-B/Shoemaker-Holt At Opposition (2.702 AU)
Feb 07 - Comet 128P/Shoemaker-Holt At Opposition (2.703 AU)
Feb 07 - Apollo Asteroid 2014 SR339 Near-Earth Flyby (0.054 AU)
Feb 07 - Asteroid 71000 Hughdowns Closest Approach To Earth (1.600 AU)
Feb 07 - 10th Anniversary (2008), STS-122 Launch (Space Shuttle Atlantis, International Space Station)
Feb 07 - Nicolas Sarrabat's 320th Birthday (1698)
Feb 08 - Comet 56P/Slaughter-Burnham At Opposition (3.533 AU)
Feb 08 - Comet P/2005 GF8 (LONEOS) At Opposition (3.807 AU)
Feb 08 - Asteroid 378214 Sauron Closest Approach To Earth (0.705 AU)
Feb 08 - 15th Anniversary (2003), Brett Gladman, et al's Discovery of Jupiter
Moon Herse
Feb 08 - Hiroki Kosai's 85th Birthday (1933)
Feb 08 - Jules Verne's 190th Birthday (1828)
Feb 09 - Moon Occults Asteroid 4 Vesta
Feb 09 - Comet 245P/WISE Perihelion (2.190 AU)
Feb 09 - Apollo Asteroid 2015 BN509 Near-Earth Flyby (0.033 AU)
Feb 09 - Asteroid 13801 Kohlhase Closest Approach To Earth (1.614 AU)
Feb 09 - Asteroid 274300 UNESCO Closest Approach To Earth (1.761 AU)
Feb 09 - 105th Anniversary (1913), Great Meteor Procession of 1913
Feb 10 - Comet P/2013 CU129 (PANSTARRS) At Opposition (1.039 AU)
Feb 10 - Comet 311P/PANSTARRS At Opposition (1.125 AU)
Feb 10 - Dwarf Planet Ceres Occults TYC 2492-00167-1 (12.0 Magnitude Star)
Feb 10 - Aten Asteroid 2015 FV118 Near-Earth Flyby (0.093 AU)
Feb 10 - Apollo Asteroid 1865 Cerberus Closest Approach To Earth (0.425 AU)
Feb 10 - Asteroid 249519 Whitneyclavin Closest Approach To Earth (1.740 AU)
Feb 10 - Asteroid 8889 Mockturtle Closest Approach To Earth (2.227 AU)
Feb 10 - Apollo Asteroid 14827 Hypnos Closest Approach To Earth (3.384 AU)
Feb 10 - 20th Anniversary (1998), Galileo, Europa 13 Flyby
Feb 10 - 60th Anniversary (1958), Radar Bounced Off Venus by MIT
Feb 11 - Aten Asteroid 2014 WQ202 Near-Earth Flyby (0.039 AU)
Feb 11 - Apollo Asteroid 1991 VG Near-Earth Flyby (0.047 AU)
Feb 11 - Apollo Asteroid 2016 WQ3 Near-Earth Flyby (0.095 AU)
Feb 11 - Asteroid 7853 Confucius Closest Approach To Earth (1.392 AU)
Feb 11 - Asteroid 58671 Diplodocus Closest Approach To Earth (1.732 AU)
Feb 11 - Asteroid 301 Bavaria Closest Approach To Earth (1.842 AU)
Feb 11 - Asteroid 6824 Mallory Closest Approach To Earth (2.198 AU)
Feb 11 - Asteroid 4321 Zero Closest Approach To Earth (2.443 AU)
Feb 12 - Comet 344P/Read At Opposition (3.010 AU)
Feb 12 - Apollo Asteroid 137052 Tjelvar Closest Approach To Earth (0.260 AU)
Feb 12 - Asteroid 4738 Jimihendrix Closest Approach To Earth (2.162 AU)
Feb 12 - Asteroid 1008 La Paz Closest Approach To Earth (2.178 AU)
Feb 12 - Asteroid 2160 Spitzer Closest Approach To Earth (2.183 AU)
Feb 12 - Julian Schwinger's 100th Birthday (1918)
Feb 12 - Marcel Minnaert's 125th Birthday (1893)
Feb 13 - Apollo Asteroid 2015 SY16 Near-Earth Flyby (0.053 AU)
Feb 13 - Asteroid 3155 Lee Closest Approach To Earth (1.342 AU)
Feb 13 - Chuck Yeager's 95th Birthday (1923)
Feb 13 - Valentin Naboth's 495th Birthday (1523)
Feb 14 - Comet 73P-Y/Schwassmann-Wachmann At Opposition (1.689 AU)
Feb 14 - Comet P/2003 L1 (Scotti) At Oppositon (4.959 AU)
Feb 14 - Asteroid 25275 Jocelynbell Closest Approach To Earth (1.367 AU)
Feb 14 - Asteroid 3123 Dunham Closest Approach To Earth (1.782 AU)
Feb 14 - Asteroid 172996 Stooke Closest Approach To Earth (1.930 AU)
Feb 14 - 55th Anniversary (1963), Syncom 1 Launch (1st Geosynchronous Satellite)
Feb 14 - Fritz Zwicky's 120th Birthday (1898)
Feb 14 - Benjamin Baillaud's 170th Birthday (1848)
Feb 15 - Cygnus CRS-10 (OA-10) Antares 230 Launch (International Space Station)
Feb 15 - Partial Solar Eclipse (Visible from Antarctica)
Feb 15 - Asteroid 189 Phthia Occults HIP 42917 (5.6 Magnitude Star)
Feb 15 - 5th Anniversary (2013), Fireball Explosion Over Chelyabinsk, Russia
Feb 15 - Galileo Day
Feb 15 - Asteroid 6594 Tasman Closest Approach To Earth (2.249 AU)
Feb 15 - 45th Anniversary (1973), Pioneer 10 Becomes 1st Spacecraft to Pass Through Main Asteroid Belt
Feb 16 - Chinese New Year
Feb 16 - Apollo Asteroid 162882 (2001 FD58) Near-Earth Flyby (0.088 AU)
Feb 16 - Asteroid 1832 Mrkos Closest Approach To Earth (2.405 AU)
Feb 16 - Asteroid 1157 Arabia Closest Approach To Earth (2.552 AU)
Feb 16 - Asteroid 11998 Fermilab Closest Approach To Earth (2.790 AU)
Feb 16 - 40th Anniversary (1978), Social Media Born
Feb 16 - 70th Anniversary (1948), Gerard Kuiper's Discovery of Uranus Moon Miranda
Feb 16 - Pierre Bouguer's 320th Birthday (1698)
Feb 17 - Comet 185P/Petriew Closest Approach To Earth (1.328 AU)
Feb 17 - Comet C/2014 R3 (PANSTARRS) At Opposition (7.248 AU)
Feb 17 - Tobias Mayer's 295th Birthday (1723)
Feb 18 - Comet 93P/Lovas Closest Approach To Earth (2.586 AU)
Feb 18 - Comet 220P/McNaught At Opposition (3.686 AU)
Feb 18 - Comet C/2015 O1 (PANSTARRS) Perihelion (3.730 AU)
Feb 18 - Asteroid 369 Aeria Occults HIP 84012 (3.0 Magnitude Star)
Feb 18 - Apollo Asteroid 2016 CA138 Near-Earth Flyby (0.056 AU)
Feb 18 - Asteroid 5035 Swift Closest Approach To Earth (1.365 AU)
Feb 18 - Asteroid 3850 Peltier Closest Approach To Earth (1.609 AU)
Feb 18 - Asteroid 341 California Closest Approach To Earth (1.643 AU)
Feb 18 - Asteroid 2022 West Closest Approach To Earth (1.806 AU)
Feb 18 - 70th Anniversary (1948), Norton County Meteorite Shower in Kansas
Feb 18 - 105th Anniversary (1913), Frederick Soddy Introduces The Concept of Isotopes
Feb 18 - Ernst Mach's 180th Birthday (1838)
Feb 19 - Comet 125P/Spacewatch At Opposition (1.314 AU)
Feb 19 - Comet 44P/Reinmuth At Opposition (4.156 AU)
* Feb 19 - Apollo Asteroid 2101 Adonis Closest Approach To Earth (0.219 AU)
Feb 19 - Asteroid 1862 Apollo Closest Approach To Earth (1.530 AU)
Feb 19 - Aten Asteroid 341843 (2008 EV5) Closest Approach To Earth (1.797 AU)
Feb 19 - Kuiper Belt Object 55565 (2002 AW197) At Opposition (44.522 AU)
Feb 19 - Nicolaus Copernicus' 545th Birthday (1473)
Feb 20 - Comet 73P-S/Schwassmann-Wachmann At Opposition (1.341 AU)
Feb 20 - Comet 18D/Perrine-Mrkos At Opposition (2.530 AU)
Feb 20 - Comet P/2003 L1 (Scotti) Closest Approach To Earth (4.954 AU)
Feb 20 - Asteroid 2 Pallas Occults TYC 5872-00123-1 (12.3 Magnitude Star)
Feb 20 - Apollo Asteroid 3752 Camillo Closest Approach To Earth (0.138 AU)
Feb 20 - Asteroid 4345 Rachmaninoff Closest Approach To Earth (1.848 AU)
Feb 20 - Asteroid 31000 Rockchic Closest Approach To Earth (2.181 AU)
Feb 20 - Asteroid 99905 Jeffgrossman Closest Approach To Earth (2.378 AU)
Feb 20 - Asteroid 2848 ASP Closest Approach To Earth (2.479 AU)
Feb 20 - Asteroid 2023 Asaph Closest Approach To Earth (2.556 AU)
Feb 20 - Aleksandr Aleksandrov's 75th Birthday (1943)
Feb 21 - Venus Passes 0.6 Degrees From Neptune
Feb 21 - Comet C/2016 T3 (PANSTARRS) At Opposition (2.254 AU)
Feb 21 - Comet 326P/Hill At Opposition (3.693AU)
Feb 21 - Asteroid 5905 Johnson Closest Approach To Earth (1.086 AU)
Feb 21 - Asteroid 12464 Manhattan Closest Approach To Earth (1.207 AU)
Feb 21 - Asteroid 149 Medusa Closest Approach To Earth (1.210 AU)
Feb 21 - Asteroid 15402 Suzaku Closest Approach To Earth (1.838 AU)
Feb 21 - Asteroid 3693 Barringer Closest Approach To Earth (2.679 AU)
Feb 21 - Kuiper Belt Object 148209 (2000 CR105) At Opposition (60.582 AU)
Feb 21 - 10th Anniversary (2008), USA Shot Down Failed Military Satellite (USA-193) with Missile
Feb 22 - Progress MS-8 Soyuz-2.1a Launch (International Space Station 69P)
Feb 22 - Apollo Asteroid 2016 CO246 Near-Earth Flyby (0.039 AU)
Feb 22 - Atira Asteroid 2013 TQ5 Closest Approach To Earth (0.374 AU)
Feb 22 - Asteroid 160512 Franck-Hertz Closest Approach To Earth (2.377 AU)
Feb 22 - Harald Friis' 125th Birthday (1893)
Feb 23 - Moon Occults Aldebaran
Feb 23 - Asteroid 48 Doris Occults HIP 14764 (6.0 Magnitude Star)
Feb 23 - Asteroid 12104 Chesley Closest Approach To Earth (2.068 AU)
Feb 24 - 50th Anniversary (1968), Jocelyn Bell's & Antony Hewish's Discovery of Pulsars
Feb 24 - Comet C/2014 B1 (Schwartz) Closest Approach To Earth (8.613 AU)
Feb 24 - Aten Asteroid 2017 DR109 Near-Earth Flyby (0.010 AU)
Feb 24 - Asteroid 1855 Korolev Closest Approach To Earth (1.087 AU)
Feb 24 - Aten Asteroid 99942 Apophis Closest Approach To Earth (1.552 AU)
Feb 24 - Asteroid 171183 Haleakala Closest Approach To Earth (2.043 AU)
Feb 24 - Asteroid 10195 Nebraska Closest Approach To Earth (2.380 AU)
Feb 25 - Mercury Passes 0.5 Degrees From Neptune
Feb 25 - Comet 103P/Hartley Closest Approach To Earth (2.438 AU)
Feb 25 - Comet C/2014 R3 (PANSTARRS) Closest Approach To Earth (7.258 AU)
Feb 25 - Comet C/2014 B1 (Schwartz) At Opposition (8.614 AU)
Feb 25 - Asteroid 8749 Beatles Closest Approach To Earth (1.089 AU)
Feb 26 - Apollo Asteroid 2016 FU12 Near-Earth Flyby (0.034 AU)
Feb 26 - Apollo Asteroid 2004 CK39 Near-Earth Flyby (0.086 AU)
Feb 26 - Apollo Asteroid 2017 DF38 Near-Earth Flyby (0.098 AU)
Feb 26 - Asteroid 1831 Nicholson Closest Approach To Earth (1.290 AU)
Feb 26 - Amor Asteroid 4487 Pocahontas Closest Approach To Earth (1.151 AU)
Feb 26 - Susan Helms' 60th Birthday (1958)
Feb 27 - Comet 321P/SOHO At Opposition (3.810 AU)
Feb 27 - Asteroid 4 Vesta Occults TYC 6237-00876-1 (11.2 Magnitude Star)
Feb 27 - Apollo Asteroid 2014 EY24 Near-Earth Flyby (0.038 AU)
Feb 27 - Asteroid 10637 Heimlich Closest Approach To Earth (2.146 AU)
Feb 28 - Comet 346P/Catalina Closest Approach To Earth (2.683 AU)
Feb 28 - Asteroid 45a Patientia Occults HIP 22949 (6.2 Magnitude Star)
Feb 28 - Apollo Asteroid 2015 BF511 Near-Earth Flyby (0.030 AU)
Feb 28 - Atira Asteroid 1998 DK36 Closest Approach To Earth (0.824 AU)
Feb 28 - Asteroid 7434 Osaka Closest Approach To Earth (1.334 AU)
Feb 28 - Asteroid 21459 Chrisrussell Closest Approach To Earth (1.464 AU)
Feb 28 - Plutino 90482 Orcus At Opposition (47.134 AU)

March 2018
Mar ?? - Cygnus CRS-9 (OA-9) Antares 230 Launch (International Space Station)
Mar ?? - Crew Dragon Demo 1 (SpX-DM1) Falcon 9 Launch (Unmanned - International Space Station)
Mar ?? - OneWeb 1-10 Soyuz-STB Fregat-MT Launch
Mar ?? - Cartosat-3 PSLV-CA Launch
Mar ?? - BeiDou-3 (M11 & M12) CZ-3C/YZ-1 Launch
Mar ?? - Sentinel 3B Rokot-KM Launch
Mar ?? - SAOCOM 1A/ITASAT 1 Falcon 9 Launch
Mar ?? - Iridium Next 51-60 Falcon 9 Launch
* Mar ?? - Jilin 1-09,1-10,1-11,1-12 Kuaizhou 1A Launch
* Mar ?? - Chandrayaan 2 GSLV Mk II Launch
Mar ?? - James Bradley's 325th Birthday (1693)
Mar 01 - Moon Occults Regulus
Mar 01 - Comet 73P-T/Schwassmann-Wachmann Closest Approach To Earth (1.276 AU)
Mar 01 - Comet 327P/Van Ness At Opposition (4.117 AU)
Mar 01 - 30th Anniversary (1988), Trebbin Meteorite Fall (Hit Greenhouse in East Germany)
Mar 01 - Richard Price's 75th Birthday (1943)
Mar 02 - Comet 190P/Mueller At Opposition (3.887 AU)
Mar 02 - Comet 193P/LINEAR-NEAT At Opposition (3.987 AU)
Mar 02 - Comet C/2016 T2 (Matheny) At Opposition (4.038 AU)
Mar 03 - Asteroid 3530 Hammel Closest Approach To Earth (1.952 AU)
Mar 03 - Asteroid 9661 Hohmann Closest Approach To Earth (3.894 AU)
Mar 03 - Brian Cox's 50th Birthday (1968)
Mar 03 - 155th Anniversary (1863), Creation of the National Academy of Sciences
Mar 04 - Comet 127P/Holt-Olmstead At Opposition (3.212 AU)
Mar 04 - Asteroid 2675 Tolkien Closest Approach To Earth (1.424 AU)
Mar 04 - Asteroid 132524 APL Closest Approach To Earth (2.216 AU)
Mar 04 - Patrick Moore's 95th Birthday (1923)
Mar 04 - Kuiper Belt Object 2013 FZ27 At Opposition (47.370 AU)
Mar 05 - Mercury Passes 1.4 Degrees From Venus
Mar 05 - Moon Occults Asteroid 21 Lutetia
Mar 05 - Kuiper Belt Object 50000 Quaoar Occults 2UCAC 26058326 (14.7 Magnitude Star)
Mar 05 - Asteroid 2791 Paradise Closest Approach To Earth (1.048 AU)
Mar 05 - Apollo Asteroid 38086 Beowolf Closest Approach To Earth (1.555 AU)
Mar 05 - Asteroid 716 Berkeley Closest Approach To Earth (1.637 AU)
Mar 05 - Asteroid 9954 Brachiosaurus Closest Approach To Earth (1.886 AU)
Mar 05 - Asteroid 10916 Okina-Ouna Closest Approach To Earth (1.907 AU)
Mar 05 - Asteroid 39382 Opportunity Closest Approach To Earth (2.991 AU)
Mar 05 - 15th Anniversary (2003), Inauguration of ESA's 1st Deep Space Ground
Station at New Nocia
Mar 05 - 50th Anniversary (1968), Solrad 9 Launch (Sun Observer)
Mar 05 - Valery Korzun's 65th Birthday (1953)
Mar 06 - Asteroid 250840 Motorhead Closest Approach To Earth (2.150 AU)
Mar 06 - Asteroid 742 Edisona Closest Approach To Earth (2.401 AU)
Mar 06 - Carolyn Porco's 65th Birthday (1953)
Mar 07 - GOES-S Atlas 5 Launch
Mar 07 - Comet P/2015 TO19 (Lemmon-PANSTARRS) At Opposition (3.694 AU)
Mar 07 - Comet 225P/LINEAR At Opposition (3.612 AU)
Mar 07 - Comet 284P/McNaught At Opposition (4.064 AU)
Mar 07 - Aten Asteroid 2003 EM1 Near-Earth Flyby (0.043 AU)
Mar 07 - Apollo Asteroid 11500 Tomaiyowit Closest Approach To Earth (0.327 AU)
Mar 07 - Asteroid 386622 New Zealand Closest Approach To Earth (1.670 AU)
Mar 07 - Asteroid 70783 Kenwilliams Closest Approach To Earth (1.797 AU)
Mar 07 - Asteroid 4151 Alanhale Closest Approach To Earth (1.743 AU)
Mar 07 - Asteroid 617 Patroclus Closest Approach To Earth (5.001 AU)
Mar 07 - Kuiper Belt Object 2013 FY27 At Opposition (79.120 AU)
Mar 07 - Alan Hale's 60th Birthday (1958)
Mar 08 - Comet P/2015 TP200 (LINEAR) At Opposition (3.658 AU)
Mar 08 - Comet C/2017 D3 (ATLAS) Closest Approach To Earth (4.585 AU)
Mar 08 - Apollo Asteroid 2015 FM34 Near-Earth Flyby (0.058 AU)
Mar 08 - Asteroid 40227 Tahiti Closest Approach To Earth (3.858 AU)
Mar 09 - Soyuz MS-8 Soyuz-FG Launch (International Space Station 54S)
Mar 09 - Comet P/2005 J1 (McNaught) Closest Approach To Earth (1.822 AU)
Mar 09 - Comet 93P/Lovas At Opposition (2.638 AU)
Mar 09 - Aten Asteroid 2013 ND15 (Venus Trojan) Closest Approach To Earth (0.650 AU)
Mar 09 - Asteroid 9548 Fortran Closest Approach To Earth (1.228 AU)
Mar 09 - Asteroid 73491 Robmatson Closest Approach To Earth (1.381 AU)
Mar 09 - Asteroid 25930 Spielberg Closest Approach To Earth (1.566 AU)
Mar 09 - Richard Walker's 80th Birthday (1938)
Mar 10 - Asteroid 4 Vesta Occults 2UCAC 25353427 (10.7 Magnitude Star)
Mar 10 - Apollo Asteroid 2015 DK200 Near-Earth Flyby (0.018 AU)
Mar 10 - Apollo Asteroid 2003 DY15 Near-Earth Flyby (0.058 AU)
Mar 10 - Aten Asteroid 2007 CM26 Near-Earth Flyby (0.070 AU)
Mar 10 - Asteroid 10221 Kubrick Closest Approach To Earth (1.373 AU)
Mar 10 - Asteroid 12258 Oscarwilde Closest Approach To Earth (1.466 AU)
Mar 10 - Asteroid 3948 Bohr Closest Approach To Earth (1.609 AU)
Mar 10 - Asteroid 397278 Arvidson Closest Approach To Earth (1.784 AU)
Mar 10 - Asteroid 1495 Helsinki Closest Approach To Earth (1.801 AU)
Mar 10 - Asteroid 8120 Kobe Closest Approach To Earth (1.883 AU)
Mar 10 - Asteroid 4327 Ries Closest Approach To Earth (2.432 AU)
Mar 10 - Asteroid 189202 Calar Alto Closest Approach To Earth (2.340 AU)
Mar 11 - Daylight Saving - Set Clock Ahead 1 Hour (United States)
Mar 11 - Apollo Asteroid 2102 Tantalus Closest Approach To Earth (2.032 AU)
Mar 11 - 10th Anniversary (2008), STS-123 Launch (Space Shuttle Endeavour, International Space Station)
Mar 12 - International Day of Planetaria
Mar 12 - Comet 74P/Smirnova-Chernykh At Opposition (2.556 AU)
Mar 12 - Comet C/2016 N6 (PANSTARRS) Closest Approach To Earth (2.601 AU)
Mar 12 - Comet C/2015 V4 (PANSTARRS) Closest Approach To Earth (5.445 AU)
Mar 12 - Apollo Asteroid 2013 RZ73 Near-Earth Flyby (0.055 AU)
Mar 12 - Aten Asteroid 398188 Agni Closest Approach To Earth (0.292 AU)
* Mar 12 - Atira Asteroid 2014 FO47 Closest Approach To Earth (0.346 AU)
Mar 12 - Asteroid 35334 Yarkovsky Closest Approach To Earth (2.032 AU)
Mar 12 - Apollo Asteroid 1866 Sisyphus Closest Approach To Earth (2.206 AU)
Mar 12 - Asteroid 697 Galilea Closest Approach To Earth (2.346 AU)
Mar 12 - Wally Schirra's 85th Birthday (1923)
Mar 12 - John Theophile Desaguliers' 335th Birthday (1683)
Mar 13 - Comet 74P/Smirnova-Chernykh Closest Approach To Earth (2.556 AU)
* Mar 13 - Asteroid 278141 Tatooine Closest Approach To Earth (1.034 AU)
Mar 14 - Pi Day
Mar 14 - Moon Occults Asteroid 433 Eros
Mar 14 - Comet C/2017 M3 (PANSTARRS) Closest Approach To Earth (4.416 AU)
Mar 14 - Asteroid 8925 Boattini Closest Approach To Earth (1.152 AU)
Mar 14 - Asteroid 48472 Mossbauer Closest Approach To Earth (1.186 AU)
Mar 14 - Aten Asteroid 367943 Duende Closest Approach To Earth (1.212 AU)
Mar 14 - Asteroid 24101 Cassini Closest Approach To Earth (1.688 AU)
Mar 14 - Frank Borman's 90th Birthday (1928)
Mar 15 - Mercury At Its Greatest Eastern Elongation (18 Degrees)
Mar 15 - Comet 125P/Spacewatch Closest Approach To Earth (1.243 AU)
Mar 15 - Comet P/2012 K3 (Gibbs) At Opposition (2.875 AU)
Mar 15 - Comet 257P/Catalina At Opposition (4.018 AU)
Mar 15 - Comet P/2006 F1 (Kowalski) Perihelion (4.108 AU)
Mar 15 - Comet C/2017 D3 (ATLAS) At Opposition (4.595 AU)
Mar 15 - Comet C/2016 E1 (PANSTARRS) Closest Approach To Earth (7.650 AU)
Mar 15 - Atira Asteroid 2013 JX28 Closest Approach To Earth (1.254 AU)
Mar 15 - Asteroid 10093 Diesel Closest Approach To Earth (1.484 AU)
Mar 15 - 45th Anniversary (1973), San Juan Capistrano Meteorite Fall in California (Hit Carport Roof)
Mar 15 - 185th Anniversary (1833), Jons Berzelius' Discovery of Carbon-based Organic Minerals in the Alais Meteorite
Mar 16 - Comet 62P/Tsuchinshan Closest Approach To Earth (1.024 AU)
Mar 16 - Comet P/2015 X1 (PANSTARRS) At Opposition (3.828 AU)
Mar 16 - Asteroid 3494 Purple Mountain Closest Approach To Earth (1.565 AU)
Mar 16 - Asteroid 371 Bohemia Closest Approach To Earth (1.747 AU)
Mar 16 - Asteroid 325 Heidelberga Closest Approach To Earth (2.451 AU)
Mar 16 - Frederick Reines' 100th Birthday (1918)
Mar 16 - Heinrich Kayser's 165th Birthday (1853)
Mar 17 - Comet 103P/Hartley At Opposition (2.500 AU)
Mar 17 - Asteroid 26858 Misterrogers Closest Approach To Earth (1.140 AU)
Mar 17 - Asteroid 15000 CCD Closest Approach To Earth (1.590 AU)
Mar 17 - Asteroid 2187 La Silla Closest Approach To Earth (1.856 AU)
Mar 17 - Asteroid 1278 Kenya Closest Approach To Earth (1.986 AU)
Mar 17 - Asteroid 6701 Warhol Closest Approach To Earth (1.994 AU)
Mar 17 - Asteroid 316201 Malala Closest Approach To Earth (2.124 AU)
Mar 17 - 60th Anniversary (1958), Vanguard 1 Launch
Mar 18 - Mercury Passes 3.9 Degrees From Venus
Mar 18 - Comet 346P/Catalina At Opposition (2.725 AU)
Mar 18 - Comet 235P/LINEAR Perihelion (2.732 AU)
Mar 18 - Comet 314P/Montani Closest Approach To Earth (4.053 AU)
Mar 18 - Comet C/2016 E1 (PANSTARRS) At Opposition (7.651 AU)
Mar 18 - Asteroid 6136 Gryphon Closest Approach To Earth (2.009 AU)
Mar 19 - Comet 73P-Y/Schwassmann-Wachmann Closest Approach To Earth (1.558 AU)
Mar 19 - Comet P/2012 O2 (McNaught) At Opposition (2.706 AU)
Mar 19 - Asteroid 28600 Georgelucas Closest Approach To Earth (1.584 AU)
Mar 19 - Asteroid 24663 Philae Closest Approach To Earth (1.675 AU)
Mar 20 - Transiting Expoplanet Survyey Satellite (TESS) Falcon 9 Launch
Mar 20 - Vernal Equinox, 16:15 UT
Mar 20 - Comet 235P/LINEAR At Opposition (1.740 AU)
Mar 20 - Comet 61P/Shajn-Schaldach At Opposition (3.901 AU)
Mar 20 - Comet C/2015 V4 (PANSTARRS) At Opposition (5.456 AU)
Mar 20 - Comet C/2016 C1 (PANSTARRS) Closest Approach To Earth (8.585 AU)
Mar 20 - Aten Asteroid 326290 Akhenaten Closest Approach To Earth (1.187 AU)
Mar 20 - Asteroid 1430 Somalia Closest Approach To Earth (1.934 AU)
Mar 21 - Comet 235P/LINEAR Closest Approach To Earth (1.740 AU)
Mar 21 - Apollo Asteroid 1981 Midas Near-Earth Flyby (0.090 AU)
Mar 21 - Asteroid 45 Eugenia Closest Approach To Earth (1.596 AU)
Mar 21 - Asteroid 305254 Moron Closest Approach To Earth (1.883 AU)
Mar 21 - Jean-Baptiste Joseph Fourier's 250th Birthday (1768)
Mar 22 - Moon Occults Aldebaran
Mar 22 - Comet 226P/Pigott-LINEAR-Kowalski At Opposition (3.571)
Mar 22 - Comet P/2005 T2 (Christensen) At Opposition (3.630 AU)
Mar 22 - Aten Asteroid 2011 GP44 Near-Earth Flyby (0.056 AU)
Mar 22 - Asteroid 9963 Sandage Closest Approach To Earth (2.098 AU)
Mar 22 - Asteroid 11739 Baton Rouge Closest Approach To Earth (3.830 AU)
Mar 22 - 20th Anniversary (1998), Monahans Meteorite Fall (Hit Basketball Court in Texas)
Mar 22 - Robert Millikan's 150th Birthday (1868)
Mar 22 - Alfred Fowler's 150th Birthday (1868)
Mar 23 - Comet 73P-T/Schwassmann-Wachmann Perihelion (0.950 AU)
Mar 23 - Comet P/2011 VJ5 (Lemmon) Perihelion (1.508 AU)
Mar 23 - Comet 306P/LINEAR At Opposition (3.569 AU)
Mar 23 - Comet 17P/Holmes At Opposition (4.122 AU)
Mar 23 - Comet C/2017 K1 (PANSTARRS) Perihelion (7.262 AU)
Mar 23 - Apollo Asteroid 267940 (2004 EM20) Near-Earth Flyby (0.096 AU) .
Mar 23 - Asteroid 9395 Saint Michel Closest Approach To Earth (1.362 AU)
Mar 23 - Asteroid 25137 Seansolomon Closest Approach To Earth (1.425 AU)
Mar 23 - Asteroid 65675 Mohr-Gruber Closest Approach To Earth (1.770 AU)
Mar 24 - Asteroid 72432 Kimrobinson Closest Approach To Earth (1.306 AU)
Mar 24 - 25th Anniversary (1993), Discovery of Comet Shoemaker-Levy 9
Mar 24 - 85th Anniversary (1933), Pasamonte Meteorite Shower in New Mexico
Mar 24 - Walter Baade's 125th Birthday (1893)
Mar 25 - European Summer Time - Set Clock Ahead 1 Hour (European Union)
Mar 25 - Comet C/2017 M3 (PANSTARRS) At Opposition (4.435 AU)
Mar 25 - Asteroid 773 Irmintraud Occults HIP 98842 (5.1 Magnitude Star)
Mar 25 - Asteroid 4 Vesta Occults 2UCAC 25366909 (12.0 Magnitude Star)
Mar 25 - Aten Asteroid 2017 FZ2 Near-Earth Flyby (0.071 AU)
Mar 25 - Asteroid 9249 Yen Closest Approach To Earth (1.272 AU)
Mar 25 - Asteroid 274301 Wikipedia Closest Approach To Earth (1.644 AU)
Mar 25 - Asteroid 1024 Hale Closest Approach To Earth (2.547 AU)
Mar 25 - Neptune Trojan 316179 (2010 EN65) At Opposition (25.260 AU)
Mar 25 - Dwarf Planet 136472 Makemake At Opposition (51.640 AU)
Mar 25 - 35th Anniversary (1983), Michael Jackson's Moonwalk Debut (Pasadena Civic Auditorium)
Mar 25 - James Lovell's 90th Birthday (1928)
Mar 25 - Kenneth Franklin's 95th Birthday (1923)
Mar 25 - Christopher Clavius' 480th Birthtday (1538)
Mar 26 - Comet 183P/Korlevic-Juric Closest Approach To Earth (2.899 AU)
Mar 26 - Comet 314P/Montani At Opposition (4.062 AU)
Mar 26 - Asteroid 19911 Rigaux Closest Approach To Earth (1.195 AU)
Mar 26 - Asteroid 2625 Jack London Closest Approach To Earth (1.319 AU)
Mar 26 - Asteroid 3018 Godiva Closest Approach To Earth (1.546 AU)
Mar 26 - 15th Anniversary (2003), Park Forest Meteorite Shower (Hit Houses in
Illinois)
Mar 26 - Nathaniel Bowditch's 245th Birthday (1773)
Mar 27 - Comet 300P/Catalina At Opposition (1.661 AU)
Mar 27 - Comet 183P/Korlevic-Juric At Opposition (2.899 AU)
Mar 27 - Comet P/2007 S1 (Zhao) At Opposition (3.932 AU)
Mar 27 - Comet P/2010 TO20 (LINEAR-Grauer) At Opposition (4.990 AU)
Mar 27 - Comet C/2016 C1 (PANSTARRS) At Opposition (8.593 AU)
Mar 27 - Apollo Asteroid 2004 EU22 Near-Earth Flyby (0.084 AU)
Mar 27 - Asteroid 96192 Calgary Closest Approach To Earth (1.606 AU)
Mar 27 - Asteroid 4636 Chile Closest Approach To Earth (2.022 AU)
Mar 28 - Moon Occults Regulus
Mar 28 - Comet P/2005 JN (Spacewatch) At Opposition (1.423 AU)
Mar 28 - Comet P/2012 K3 (Gibbs) Closest Approach To Earth (2.848 AU)
Mar 28 - Apollo Asteroid 2016 SR2 Near-Earth Flyby (0.048 AU)
Mar 28 - Apollo Asteroid 2013 QM48 Near-Earth Flyby (0.087 AU)
Mar 28 - Aten Asteroid 2003 FY6 Near-Earth Flyby (0.095 AU)
Mar 28 - Asteroid 3130 Hillary Closest Approach To Earth (1.952 AU)
Mar 28 - Centaur Object 31824 Elatus At Opposition (15.297 AU)
Mar 29 - Venus Passes 0.7 Degrees From Uranus
Mar 29 - Comet 50P/Arend At Opposition (4.157 AU)
Mar 29 - Comet P/2010 TO20 (LINEAR-Grauer) Closest Approach To Earth (4.989 AU)
Mar 29 - Asteroid 3590 Holst Closest Approach To Earth (1.181 AU)
Mar 29 - Asteroid 114703 North Dakota Closest Approach To Earth (1.845 AU)
Mar 29 - 20th Anniversary (1998), Galileo, Europa 14 Flyby
Mar 29 - Tullio Levi-Civita's 145th Birthday (1873)
Mar 30 - Comet 312P/NEAT At Opposition (3.803 AU)
Mar 30 - Comet P/2014 U4 (PANSTARRS) At Opposition (4.079 AU)
Mar 30 - Apollo Asteroid 37655 Illapa Closest Approach To Earth (0.283 AU)
Mar 30 - Asteroid 9537 Nolan Closest Approach To Earth (1.388 AU)
Mar 30 - Asteroid 4864 Nimoy Closest Approach To Earth (1.833 AU)
Mar 30 - Asteroid 3714 Kenrussell Closest Approach To Earth (1.868 AU)
Mar 30 - Asteroid 1801 Titicaca Closest Approach To Earth (2.076 AU)
Mar 30 - Asteroid 249521 Truth Closest Approach To Earth (2.371 AU)
Mar 31 - Comet 105P/Singer Brewster At Opposition (1.276 AU)
Mar 31 - Comet C/2017 F2 (PANSTARRS) Closest Approach To Earth (6.077 AU)
Mar 31 - Asteroid 16 Psyche Occults TYC 6185-00126-1 (11.3 Magnitude Star)
Mar 31 - Apollo Asteroid 2001 FA58 Near-Earth Flyby (0.097 AU)
Mar 31 - Aten Asteroid 2010 GD35 Near-Earth Flyby (0.040 AU)
Mar 31 - Asteroid 4763 Ride Closest Approach To Earth (1.405 AU)
Mar 31 - Asteroid 784 Pickeringia Closest Approach To Earth (1.712 AU)
Mar 31 - Asteroid 9133 d'Arrest Closest Approach To Earth (2.082 AU)
Mar 31 - Asteroid 9252 Goddard Closest Approach To Earth (2.580 AU)
Mar 31 - 80th Anniversary (1938), Kasamatsu Meteorite Fall (Hit House in Japan)

April 2018
Apr 01 - Easter Sunday
Apr 01 - Moon Occults Asteroid 21 Lutetia
Apr 01 - Apollo Asteroid 2007 RX8 Near-Earth Flyby (0.085 AU)
Apr 01 - Asteroid 100000 Astronautica Closest Approach To Earth (1.067 AU)
Apr 01 - Aten Asteroid 3554 Amun Closest Approach To Earth (1.115 AU)
Apr 01 - Apollo Asteroid 12923 Zephyr Closest Approach To Earth (1.367 AU)
Apr 01 - Sergey Volkov's 45th Birthday (1973)
Apr 02 - Mars Passes 1.3 Degrees From Saturn
Apr 02 - Comet 73P-S/Schwassmann-Wachmann Closest Approach To Earth (1.178 AU)
Apr 02 - Comet 316P/LONEOS-Christensen Closest Approach To Earth (3.533 AU)
Apr 02 - Comet C/2017 F2 (PANSTARRS) At Opposition (6.078 AU)
Apr 02 - Aten Asteroid 2004 FG29 Near-Earth Flyby (0.010 AU)
Apr 02 - Asteroid 16260 Sputnik Closest Approach To Earth (1.866 AU)
Apr 02 - 55th Anniversary (1963), Luna 4 Launch (Soviet Moon Flyby Mission)
Apr 02 - Francesco Grimaldi's 400th Birthday (1618)
Apr 03 - Moon Occults Asteroid 16 Psyche
Apr 03 - Asteroid 9995 Alouette Closest Approach To Earth (1.047 AU)
Apr 03 - Asteroid 391257 Wilwheaton Closest Approach To Earth (1.808 AU)
Apr 03 - Asteroid 96193 Edmonton Closest Approach To Earth (1.898 AU)
Apr 03 - Asteroid 4804 Pasteur Closest Approach To Earth (2.025 AU)
Apr 03 - Asteroid 63800 Richardnorton Closest Approach To Earth (2.106 AU)
Apr 03 - Asteroid 12432 Usuda Closest Approach To Earth (2.160 AU)
Apr 03 - Asteroid 1877 Marsden Closest Approach To Earth (3.102 AU)
Apr 03 - 45th Anniversary (1973), Salyut 2 Launch (USSR's 2nd Space Station)
Apr 04 - 50th Anniversary (1968), Apollo 6 Launch (Last Test Flight of Saturn
V)
Apr 04 - Asteroid 4 Vesta Occults 2UCAC 25373191 (11.8 Magnitude Star)
* Apr 04 - Asteroid 84566 VIMS Closest Approach To Earth (1.524 AU)
Apr 04 - Asteroid 16543 Rosetta Closest Approach To Earth (1.534 AU)
Apr 04 - Asteroid 2807 Karl Marx Closest Approach To Earth (1.607 AU)
Apr 04 - 35th Anniversary (1983), STS-6 Launch (Space Shuttle Challenger, 1st
EVA)
Apr 04 - Joseph Ashbrook's 100th Birthday (1918)
Apr 05 - Comet C/2015 O1 (PANSTARRS) Closest Approach To Earth (3.233 AU)
Apr 05 - Asteroid 5261 Eureka (Mars Trojan) Closest Approach To Earth (0.722 AU)
Apr 05 - Atira Asteroid 2015 DR215 Closest Approach To Earth (0.970 AU)
Apr 05 - Asteroid 4871 Riverside Closest Approach To Earth (1.465 AU)
Apr 05 - Asteroid 1777 Gehrels Closest Approach To Earth (1.626 AU)
Apr 05 - Asteroid 1071 Brita Closest Approach To Earth (1.913 AU)
Apr 05 - 45th Anniversary (1973), Pioneer 11 Launch (Jupiter & Saturn Flyby Mission)
Apr 06 - Comet 316P/LONEOS-Christensen At Opposition (3.535 AU)
Apr 06 - Comet P/2006 H1 (McNaught) At Opposition (3.943 AU)
Apr 06 - Asteroid 35352 Texas Closest Approach To Earth (1.490 AU)
Apr 06 - Asteroid 12561 Howard Closest Approach To Earth (1.672 AU)
Apr 06 - Asteroid 2068 Dangreen Closest Approach To Earth (2.007 AU)
Apr 06 - Asteroid 11945 Amsterdam Closest Approach To Earth (2.280 AU)
Apr 06 - 10th Anniversary (2008), Berduc Meteorite Fall (Hit Building in Argentina)
Apr 06 - Franck Marchis' 45th Birthday (1973)
Apr 07 - 50th Anniversary (1968), Luna 14 Launch (Soviet Moon Orbiter Mission)
Apr 07 - Comet P/2005 JN (Spacewatch) Closest Approach To Earth (1.410 AU)
Apr 07 - Comet P/2006 S1 (Christensen) At Opposition (3.437 AU)
Apr 07 - Asteroid 2511 Patterson Closest Approach To Earth (1.266 AU)
Apr 07 - Asteroid 163693 Atira Closest Approach To Earth (1.363 AU)
Apr 07 - 35th Anniversary (1983), 1st Spacewalk from Space Shuttle (Story Musgrave, Don Peterson, STS-6)
Apr 08 - Comet 143P/Kowal-Mrkos At Opposition (1.542 AU)
Apr 08 - Comet P/2012 O2 (McNaught) Closest Approach To Earth (2.652 AU)
Apr 08 - Comet C/2015 O1 (PANSTARRS) At Opposition (3.234 AU)
Apr 08 - Comet C/2016 T1 (Matheny) At Opposition (4.192 AU)
Apr 08 - Comet 196P/Tichy At Opposition (4.204 AU)
Apr 08 - Asteroid 1198 Atlantis Closest Approach To Earth (1.845 AU)
Apr 08 - Apollo Asteroid 4179 Toutatis Closest Approach To Earth (2.817 AU)
Apr 08 - Kuiper Belt Object 2014 FT71 At Opposition (46.680 AU)
Apr 08 - 25th Anniversary (1993), STS-56 Launch (Space Shuttle Discovery, ATLAS-2)
Apr 08 - Karl Hencke's 225th Birthday (1793)
Apr 09 - Asteroid 75564 Audubon Closest Approach To Earth (1.063 AU)
Apr 09 - Kuiper Belt Object 2013 FS28 At Opposition (83.812 AU)
Apr 10 - Comet 222P/LINEAR At Opposition (2.922 AU)
Apr 10 - Comet 68P/Klemola At Opposition (3.857 AU)
Apr 10 - Amor Asteroid 3757 Anagolay Closest Approach To Earth (0.950 AU)
Apr 10 - Asteroid 10799 Yucatan Closest Approach To Earth (1.913 AU)
Apr 11 - Comet 143P/Kowal-Mrkos Closest Approach To Earth (1.541 AU)
Apr 11 - Comet C/2016 A3 (PANSTARRS) Closest Approach To Earth (4.095 AU)
Apr 11 - Apollo Asteroid 2008 GY21 Near-Earth Flyby (0.026 AU)
Apr 11 - Asteroid 6524 Baalke Closest Approach To Earth (1.657 AU)
Apr 11 - Asteroid 1776 Kuiper Closest Approach To Earth (2.095 AU)
Apr 11 - Asteroid 13330 Dondavis Closest Approach To Earth (2.364 AU)
Apr 11 - Macedonio Melloni's 220th Birthday (1798)
Apr 12 - International Day of Human Space Flight
Apr 12 - Yuri's Night: World Space Party
Apr 12 - Comet 224P/LINEAR-NEAT At Opposition (3.261 AU)
Apr 12 - Apollo Asteroid 363599 (2004 FG11) Near-Earth Flyby (0.049 AU)
Apr 12 - Asteroid 443 Photographica Closest Approach To Earth (1.142 AU)
Apr 12 - Asteroid 52246 Donaldjohanson Closest Approach To Earth (1.315 AU)
Apr 12 - Asteroid 17024 Costello Closest Approach To Earth (1.405 AU)
Apr 12 - Asteroid 166614 Zsazsa Closest Approach To Earth (1.639 AU)
Apr 12 - Asteroid 9937 Triceratops Closest Approach To Earth (1.908 AU)
Apr 12 - Asteroid 1537 Transylvania Closest Approach To Earth (2.964 AU)
Apr 12 - 10th Anniversary (2008), Zunhua Meteorite Fall (Hit Farmhouse in China)
Apr 12 - 50th Anniversary (1968), Schenectady Meteorite Fall (Hit House in New York)
Apr 13 - Comet 105P/Singer Brewster Closest Approach To Earth (1.254 AU)
Apr 13 - Comet P/2007 R2 (Gibbs) At Opposition (4.187 AU)
Apr 13 - Aten Asteroid 2005 GZ128 Near-Earth Flyby (0.074 AU)
Apr 13 - Apollo Asteroid 2013 GF84 Near-Earth Flyby (0.077 AU)
Apr 13 - Asteroid 27363 Alvanclark Closest Approach To Earth (1.794 AU)
Apr 13 - Asteroid 1958 Chandra Closest Approach To Earth (2.167 AU)
Apr 13 - Thomas Jefferson's 175th Birthday (1843)
Apr 14 - Comet 186P/Garradd At Opposition (3.634 AU)
Apr 14 - Comet 158P/Kowal-LINEAR At Opposition (3.892 AU)
Apr 14 - Aten Asteroid 2014 UR Near-Earth Flyby (0.024 AU)
Apr 14 - Asteroid 3061 Cook Closest Approach To Earth (2.513 AU)
Apr 14 - Asteroid 4169 Celsius Closest Approach To Earth (2.974 AU)
Apr 15 - Comet 30P/Reinmuth Closest Approach To Earth (1.769 AU)
Apr 15 - Comet P/2017 D1 (Fuls) At Opposition (3.734 AU)
Apr 15 - Comet 158P/Kowal-LINEAR Closest Approach To Earth (3.892 AU)
Apr 15 - Comet C/2016 A3 (PANSTARRS) At Opposition (4.097 AU)
Apr 15 - Apollo Asteroid 2016 GB222 Near-Earth Flyby (0.074 AU)
Apr 15 - Asteroid 1997 Leverrier Closest Approach To Earth (1.591 AU)
Apr 15 - Asteroid 4342 Freud Closest Approach To Earth (1.850 AU)
Apr 15 - Dwarf Planet 136108 Haumea At Opposition (49.617 AU)
Apr 15 - Hermann Kohl's 130th Birthday (1888)
Apr 16 - Asteroid 2712 Keaton Closest Approach To Earth (1.120 AU)
Apr 16 - Asteroid 1001 Gaussia Closest Approach To Earth (2.603 AU)
Apr 17 - Asteroid 21 Lutetia Closest Approach To Earth (1.644 AU)
Apr 17 - 20th Anniversary (1998), STS-90 Launch (Space Shuttle Columbia, Spacelab)
Apr 18 - AFSPC 11/EAGLE Atlas 5 Launch
Apr 18 - Comet 62P/Tsuchinshan At Opposition (1.129 AU)
Apr 18 - Comet 186P/Garradd Closest Approach To Earth (3.632 AU)
Apr 18 - Asteroid 6312 Robheinlein Closest Approach To Earth (1.272 AU)
Apr 19 - Moon Occults Aldebaran
Apr 19 - Comet 160P/LINEAR At Opposition (3.427 AU)
Apr 19 - Comet P/2015 Q1 (Scotti) At Opposition (3.995 AU)
Apr 19 - Apollo Asteroid 2014 JG15 Near-Earth Flyby (0.050 AU)
Apr 19 - Apollo Asteroid 2015 HD10 Near-Earth Flyby (0.098 AU)
Apr 19 - Asteroid 42776 Casablanca Closest Approach To Earth (2.039 AU)
Apr 19 - Asteroid 193 Ambrosia Closest Approach To Earth (2.129 AU)
Apr 19 - 5th Anniversary (2013), Wolcott Meteorite Fall (Hit House in Connecticut)
Apr 20 - Comet P/2000 R2 (LINEAR) At Opposition (2.634 AU)
Apr 20 - Comet 162P/Siding Spring At Opposition (3.884 AU)
Apr 20 - Aten Asteroid 2016 JP Near-Earth Flyby (0.031 AU)
Apr 20 - Apollo Asteroid 2010 JO33 Near-Earth Flyby (0.060 AU)
Apr 20 - Atira Asteroid 164294 (2004 XZ130) Closest Approach To Earth (0.667 AU)
Apr 20 - Asteroid 25399 Vonnegut Closest Approach To Earth (1.454 AU)
Apr 20 - Asteroid 234750 Amymainzer Closest Approach To Earth (2.436 AU)
Apr 20 - Asteroid 2906 Caltech Closest Approach To Earth (2.645 AU)
Apr 20 - Kai Seigbahn's 100th Birthday (1918)
Apr 21 - Comet 24P/Schaumasse Closest Approach To Earth (1.334 AU)
Apr 21 - Comet P/2008 QP20 (LINEAR-Hill) At Opposition (4.245 AU)
Apr 21 - Asteroid 4457 van Gogh Closest Approach To Earth (1.416 AU)
Apr 21 - Asteroid 39415 Janeausten Closest Approach To Earth (2.675 AU)
Apr 22 - Earth Day
Apr 22 - Lyrids Meteor Shower Peak
Apr 22 - Asteroid 52301 Qumran Closest Approach To Earth (1.839 AU)
Apr 22 - Asteroid 11246 Orvillewright Closest Approach To Earth (1.882 AU)
Apr 22 - Asteroid 2097 Galle Closest Approach To Earth (2.674 AU)
Apr 22 - Miguel Hurtado's 40th Birthday (1978)
Apr 23 - Comet 300P/Catalina Closest Approach To Earth (1.563 AU)
Apr 23 - Comet P/2012 O1 (McNaught) At Opposition (2.177 AU)
Apr 23 - Comet 147P/Kushida-Muramatsu At Opposition (3.301 AU)
Apr 23 - Aten Asteroid 2012 XL16 Near-Earth Flyby (0.041 AU)
Apr 23 - Aten Asteroid 2017 HF1 Near-Earth Flyby (0.061 AU)
Apr 23 - Apollo Asteroid 2015 XF352 Near-Earth Flyby (0.090 AU)
Apr 23 - Asteroid 232 Russia Closest Approach To Earth (1.114 AU)
Apr 23 - Asteroid 400796 Douglass Closest Approach To Earth (1.803 AU)
Apr 23 - Asteroid 19367 Pink Floyd Closest Approach To Earth (1.842 AU)
Apr 23 - Asteroid 6001 Thales Closest Approach To Earth (1.862 AU)
Apr 23 - Asteroid 5000 IAU Closest Approach To Earth (2.201 AU)
Apr 23 - Max Planck's 160th Birthday (1858)
Apr 24 - Moon Occults Regulus
Apr 24 - Asteroid 4 Vesta Occults 2UCAC 25156525 (12.5 Magnitude Star)
Apr 24 - Apollo Asteroid 469219 (2016 HO3) Closest Approach To Earth (0.145 AU)
Apr 24 - Asteroid 7986 Romania Closest Approach To Earth (0.969 AU)
Apr 24 - Kuiper Belt Object 42355 Typhon At Opposition (20.615 AU)
Apr 25 - Comet 169P/NEAT Closest Approach To Earth (1.604 AU)
Apr 25 - Comet 222P/LINEAR Closest Approach To Earth (2.885 AU)
Apr 25 - Comet 33P/Daniel At Opposition (3.393 AU)
Apr 25 - Comet P/2003 T12 (SOHO) At Opposition (3.582 AU)
Apr 25 - Comet C/2017 B3 (LINEAR) At Opposition (3.972 AU)
Apr 25 - Apollo Asteroid 4581 Asciepius Closest Approach To Earth (0.293 AU)
Apr 25 - Asteroid 3350 Scobee Closest Approach To Earth (1.441 AU)
Apr 25 - Asteroid 17023 Abbott Closest Approach To Earth (1.447 AU)
Apr 25 - Asteroid 6123 Aristoteles Closest Approach To Earth (1.449 AU)
Apr 25 - Asteroid 268242 Pebble Closest Approach To Earth (1.497 AU)
Apr 25 - Asteroid 827 Wolfiana Closest Approach To Earth (1.587 AU)
* Apr 25 - Asteroid 248750 Asteroidday Closest Approach To Earth (2.138 AU)
Apr 25 - Asteroid 21564 Widmanstatten Closest Approach To Earth (2.663 AU)
Apr 26 - Comet 334P/NEAT Closest Approach To Earth (3.583 AU)
Apr 26 - Comet C/2017 E3 (PANSTARRS) Closest Approach To Earth (5.356 AU)
Apr 26 - Amor Asteroid 450648 (2006 UC63) Near-Earth Flyby (0.082 AU)
Apr 26 - 20th Anniversary (1998), Cassini, Venus Flyby
Apr 26 - 25th Anniversary (1993), STS-55 Launch (Space Shuttle Columbia, Spacelab-D2)
Apr 26 - Anro Penzias' 85th Birthday (1933)
Apr 26 - 170th Anniversary (1848), Andrew Graham's Discovery of Asteroid 9 Metis
Apr 26 - 215th Anniversary (1803), L'Aigle Meteorite Shower (Hit House in France)
Apr 27 - Comet P/2011 CR42 (Catalina) At Opposition (1.539 AU)
Apr 27 - Comet 313P/Gibbs At Opposition (2.713 AU)
Apr 27 - Apollo Asteroid 444193 (2005 SE71) Near-Earth Flyby (0.062 AU)
Apr 27 - Amor Asteroid 194126 (2001 SG276) Near-Earth Flyby (0.084 AU)
Apr 27 - Apollo Asteroid 5786 Talos Closest Approach To Earth (0.792 AU)
Apr 27 - Asteroid 3773 Smithsonian Closest Approach To Earth (1.424 AU)
Apr 27 - Asteroid 8146 Jimbell Closest Approach To Earth (1.955 AU)
Apr 27 - Philip Abelson's 105th Birthday (1913)
Apr 28 - Moon Occults Asteroid 21 Lutetia
Apr 28 - Comet P/2017 B4 (PANSTARRS) Closest Approach To Earth (2.914 AU)
Apr 28 - Comet 202P/Scotti At Opposition (3.199 AU)
Apr 28 - Comet 191P/McNaught At Opposition (3.968 AU)
Apr 28 - Comet P/2008 WZ96 (LINEAR) At Opposition (4.122 AU)
Apr 28 - Asteroid 1818 Brahms Closest Approach To Earth (1.252 AU)
Apr 28 - Asteroid 16481 Thames Closest Approach To Earth (2.134 AU)
Apr 28 - 15th Anniversary (2003), Galaxy Evolution Explorer (GALEX) Launch
Apr 28 - Eugene Shoemaker's 90th Birthday (1928)
Apr 28 - Eberhard Rees' 110th Birthday (1908)
Apr 29 - Mercury At Its Greatest Western Elongation (27 Degrees)
Apr 29 - Comet 45P/Honda-Mrkos-Pajdusakov At Oppositon (3.554 AU)
Apr 29 - Comet P/2017 D4 (PANSTARRS) At Opposition (4.139 AU)
Apr 29 - Apollo Asteroid 2013 US3 Near-Earth Flyby (0.026 AU)
Apr 29 - Aten Asteroid 2002 JR100 Near-Earth Flyby (0.028 AU)
Apr 29 - Asteroid 4659 Roddenberry Closest Approach To Earth (1.877 AU)
Apr 29 - Asteroid 2700 Baikonur Closest Approach To Earth (1.980 AU)
Apr 29 - Asteroid 4749 Ledzepplin Closest Approach To Earth (2.313 AU)
Apr 29 - Asteroid 5870 Baltimore Closest Approach To Earth (2.947 AU)
Apr 29 - Nikolai Budarin's 65th Birthday (1953)
Apr 29 - Harold Urey's 125th Birthday (1893)
Apr 30 - STP-2 Falcon Heavy Launch
Apr 30 - Moon Occults Asteroid 16 Psyche
Apr 30 - Comet 169P/NEAT Perihelion (0.604 AU)
Apr 30 - Comet C/2017 K1 (PANSTARRS) Closest Approach To Earth (6.259 AU)
Apr 30 - Comet C/2017 K1 (PANSTARRS) At Opposition (6.259 AU)
Apr 30 - Comet C/2015 XY1 (Lemmon) Perihelion (7.928 AU)
Apr 30 - Asteroid 42981 Jenniskens Closest Approach To Earth (1.176 AU)
Apr 30 - Asteroid 2801 Huygens Closest Approach To Earth (2.080 AU)
Apr 30 - Kuiper Belt Object 2014 FC69 At Opposition (83.812 AU)

May 2018
May ?? - CRS-14 Falcon 9 Launch (International Space Station)
May ?? - Chang'e 4/DSLWP-A1 & A2 CZ-4C Launch (L2 Halo Orbit Mission)
May ?? - GPS 3A-2 Falcon 9 Launch
May ?? - BeiDou-3 (M13 & M14) CZ-3C/YZ-1 Launch
May ?? - Iridium Next 61-70 Falcon 9 Launch
May ?? - Edward Cooper's 220th Birthday (1798)
May 01 - Comet P/2011 CR42 (Catalina) Closest Approach To Earth (1.537 AU)
May 01 - Comet 330P/Catalina At Opposition (4.022 AU)
May 01 - Asteroid 4330 Vivaldi Closest Approach To Earth (1.319 AU)
May 01 - Asteroid 9885 Linux Closest Approach To Earth (1.448 AU)
May 01 - Asteroid 5471 Tunguska Closest Approach To Earth (1.879 AU)
May 01 - Asteroid 51828 Ilanramon Closest Approach To Earth (2.010 AU)
May 01 - Asteroid 13688 Oklahoma Closest Approach To Earth (2.133 AU)
May 01 - Asteroid 9860 Archaeopteryx Closest Approach To Earth (2.144 AU)
May 01 - 20th Anniversary (1998), Discovery of Dar al Gani 476 Meteorite in Sahara Desert (Mars Meteorite)
May 02 - Comet 169P/NEAT At Opposition (1.609 AU)
May 02 - Comet 334P/NEAT At Opposition (3.588 AU)
May 02 - Asteroid 4047 Chang'E Closest Approach To Earth (1.851 AU)
May 02 - Asteroid 16626 Thumper Closest Approach To Earth (1.927 AU)
May 02 - Asteroid 2099 Opik Closest Approach To Earth (2.042 AU)
May 02 - Kuiper Belt Object 2010 EK139 At Opposition (35.418 AU)
May 02 - Robert Wood's 150th Birthday (1868)
May 03 - Comet 313P/Gibbs Closest Approach To Earth (2.708 AU)
May 03 - Comet C/2017 E3 (PANSTARRS) At Opposition (5.365 AU)
May 03 - Amor Asteroid 2015 JP Near-Earth Flyby (0.097 AU)
May 03 - Asteroid 10866 Peru Closest Approach To Earth (1.193 AU)
May 03 - Asteroid 4122 Ferrari Closest Approach To Earth (1.443 AU)
May 03 - Asteroid 9134 Encke Closest Approach To Earth (1.908 AU)
May 03 - Asteroid 3325 TARDIS Closest Approach To Earth (2.176 AU)
May 03 - Asteroid 13677 Alvin Closest Approach To Earth (2.371 AU)
May 03 - Asteroid 13897 Vesuvius Closest Approach To Earth (2.956 AU)
May 03 - Steven Weinberg's 85th Birthday (1933)
May 03 - Ernst Hartwig's 95th Birthday (1923)
May 04 - Space Day
May 04 - Star Wars Day
May 04 - Comet 37P/Forbes Perihelion (1.610 AU)
May 04 - Comet 30P/Reinmuth At Opposition (1.816 AU)
May 04 - Asteroid 8299 Tealeoni Closest Approach To Earth (0.957 AU)
May 04 - Asteroid 17898 Scottsheppard Closest Approach To Earth (1.101 AU)
May 04 - Jean-Charles de Borda's 285th Birthday (1733)
May 04 - Jean-Philippe de Cheseaux's 300th Birthday (1718)
May 05 - InSight/Mars Cube One 1 & 2 Atlas 5 Launch (Mars Lander)
May 05 - National Astronaut Day
May 05 - Eta Aquarids Meteor Shower Peak
May 05 - Asteroid 9342 Carygrant Closest Approach To Earth (1.586 AU)
May 05 - Asteroid 12846 Fullerton Closest Approach To Earth (2.093 AU)
May 05 - Albert Marth's 190th Birthday (1828)
May 06 - Comet 107P/Wilson-Harrington Closest Approach To Earth (1.688 AU)
May 06 - Comet 304P/Ory At Opposition (3.926 AU)
May 06 - Apollo Asteroid 1685 Toro Closest Approach To Earth (0.972 AU)
May 06 - Asteroid 4433 Goldstone Closest Approach To Earth (1.499 AU)
May 06 - Asteroid 8283 Edinburgh Closest Approach To Earth (2.035 AU)
May 06 - Asteroid 2476 Andersen Closest Approach To Earth (2.210 AU)
May 06 - Carl Hergenrother's 45th Birthday (1973)
May 06 - Grove Gilbert's 175th Birthday (1843)
May 07 - Comet 143P/Kowal-Mrkos Perihelion (2.532 AU)
May 07 - Comet P/2000 R2 (LINEAR) Closest Approach To Earth (2.591 AU)
May 07 - Comet 350P/McNaught Closest Approach To Earth (2.753 AU)
May 07 - Comet 350P/McNaught At Opposition (2.753 AU)
May 07 - Comet C/2016 S1 (PANSTARRS) At Opposition (3.266 AU)
May 07 - Comet C/2017 A1 (PANSTARRS) At Opposition (3.787 AU)
May 07 - Apollo Asteroid 1999 FN19 Near-Earth Flyby (0.025 AU)
May 07 - Apollo Asteroid 11311 Peleus Closest Approach To Earth (1.743 AU)
May 07 - Kuiper Belt Object 2010 FX86 At Opposition (45.160 AU)
May 08 - Comet 253P/PANSTARRS Perihelion (2.037 AU)
May 08 - Comet 254P/McNaught At Opposition (4.181 AU)
May 08 - Asteroid 21 Lutetia Occults TYC 4950-00415-1 (11.7 Magnitude Star)
May 08 - Apollo Asteroid 2016 JQ5 Near-Earth Flyby (0.016 AU)
May 08 - Asteroid 2709 Sagan Closest Approach To Earth (1.064 AU)
May 08 - Asteroid 16857 Goodall Closest Approach To Earth (1.622 AU)
May 08 - Apollo Asteroid 3103 Eger Closest Approach To Earth (1.753 AU)
May 08 - Centaur Object 144908 (2004 YH32) At Opposition (11.685 AU)
May 09 - Jupiter At Opposition
May 09 - Comet C/2016 R2 (PANSTARRS) Perihelion (2.602 AU)
May 09 - Comet 348P/PANSTARRS Closest Approach To Earth (2.870 AU)
May 09 - Comet P/1999 RO28 (LONEOS) At Opposition (2.929 AU)
May 09 - Apollo Asteroid 388945 (2008 TZ3) Near-Earth Flyby (0.017 AU)
May 09 - Asteroid 12397 Peterbrown Closest Approach To Earth (1.951 AU)
May 09 - Asteroid 19155 Lifeson Closest Approach To Earth (2.024 AU)
May 09 - Asteroid 12760 Maxwell Closest Approach To Earth (2.136 AU)
May 09 - 15th Anniversary (2003), Hayabusa Launch (Japan Asteroid Sample Return Mission)
May 10 - Comet P/2017 B4 (PANSTARRS) At Opposition (2.933 AU)
May 10 - Comet 260P/McNaught At Opposition (3.169 AU)
May 10 - Comet 230P/LINEAR At Opposition (4.175 AU)
May 10 - Asteroid 243 Ida Occults TYC 6810-00664-1 (9.9 Magnitude Star)
May 10 - Asteroid 1501 Baade Closest Appraoch To Earth (2.112 AU)
May 10 - Asteroid 9357 Venezuela Closest Approach To Earth (2.100 AU)
May 10 - Kuiper Belt Object 90568 (2004 GV9) At Opposition (38.560 AU)
May 10 - Augustin-Jean Frensel's 230th Birthday (1788)
May 11 - Comet 255P/Levy Closest Approach To Earth (2.658 AU)
May 11 - Richard Feynman's 100th Birthday (1918)
May 12 - Mercury Passes 2.4 Degrees From Uranus
May 12 - Comet 168P/Hergenrother At Opposition (3.043 AU)
May 12 - Comet 322P/SOHO At Opposition (3.605 AU)
May 12 - Atira Asteroid 434326 (2004 JG6) Closest Approach To Earth (0.937 AU)
May 12 - Asteroid 128523 Johnmuir Closest Approach To Earth (1.774 AU)
May 12 - Asteroid 15495 Bogie Closest Approach To Earth (2.117 AU)
May 12 - John Hind's 195th Birthday (1823)
May 13 - Asteroid 2874 Jim Young Closest Approach To Earth (1.531 AU)
May 13 - Asteroid 6336 Dodo Closest Approach To Earth (1.674 AU)
May 13 - Asteroid 16 Psyche Closest Approach To Earth (2.234 AU)
May 13 - Alexis-Claude Clairaut's 305th Birthday (1713)
May 14 - Comet 227P/Catalina-LINEAR Closest Approach To Earth (2.152 AU)
May 14 - Comet 348P/PANSTARRS At Opposition (2.874 AU)
May 14 - Comet 113P/Spitaler At Opposition (4.203 AU)
May 14 - Asteroid 4017 Disneya Closest Approach To Earth (1.663 AU)
May 14 - Asteroid 4255 Spacewatch Closest Approach To Earth (2.417 AU)
May 14 - Asteroid 580 Selene Closest Approach To Earth (2.470 AU)
May 14 - 45th Anniversary (1973), Skylab Launch
May 15 - Comet P/2012 O1 (McNaught) Closest Approach To Earth (2.111 AU)
May 15 - Comet C/2013 C2 (Tenagra) Closest Approach To Earth (8.818 AU)
May 15 - Aten Asteroid 1999 LK1 Near-Earth Flyby (0.034 AU)
May 15 - Apollo Asteroid 101955 Bennu Closest Approach To Earth (0.352 AU)
May 15 - Asteroid 42998 Malinafrank Closest Approach To Earth (1.226 AU)
May 15 - Asteroid 5535 Annefrank Closest Approach To Earth (1.237 AU)
May 15 - Asteroid 2045 Peking Closest Approach To Earth (1.255 AU)
May 15 - Asteroid 90388 Philchristensen Closest Approach To Earth (1.717 AU)
May 15 - Asteroid 203 Pompeja Closest Approach To Earth (1.886 AU)
May 15 - Asteroid 5281 Lindstrom Closest Approach To Earth (2.319 AU)
May 15 - Neptune Trojan 2010 TS191 At Opposition (29.677 AU)
May 15 - 55th Anniversary (1963), Mercury 9 Launch (Gordon Cooper)
May 15 - Nicolas-Louis de Lacaille's 305th Birthtday (1713)
May 16 - Moon Occults Aldebaran
May 16 - Comet 331P/Gibbs At Opposition (2.113 AU)
May 16 - Comet 240P/NEAT Perihelion (2.134 AU)
May 16 - Comet 43P/Wolf-Harrington At Opposition (3.589 AU)
May 16 - Apollo Asteroid 2015 KJ19 Near-Earth Flyby (0.061 AU)
May 16 - Apollo Asteroid 2012 WS3 Near-Earth Flyby (0.095 AU)
May 16 - Atira Asteroid 2013 JX28 Closest Approach To Earth (0.870 AU)
May 16 - Asteroid 70713 Sethmacfarlane Closest Approach To Earth (1.654 AU)
May 16 - Kuiper Belt Object 65407 (2002 RP120) At Opposition (29.547 AU)
May 17 - Comet 263P/Gibbs Closest Approach To Earth (1.658 AU)
May 17 - Comet 331P/Gibbs Closest Approach To Earth (2.113 AU)
May 17 - Comet 11P/Tempel-Swift-LINEAR At Opposition (4.129 AU)
May 17 - Asteroid 439 Ohio Closest Approach To Earth (2.325 AU)
May 18 - Comet 66P/du Toit Closest Approach To Earth (0.896 AU)
May 18 - Comet P/2000 S4 (LINEAR-Spacewatch) At Opposition (3.748 AU)
May 18 - Asteroid 4221 Picasso Closest Approach To Earth (1.330 AU)
May 18 - Asteroid 6714 Montreal Closest Approach To Earth (1.655 AU)
May 18 - Asteroid 3780 Maury Closest Approach To Earth (1.823 AU)
May 18 - Asteroid 7749 Jackschmitt Closest Approach To Earth (1.833 AU)
May 18 - Asteroid 2169 Taiwan Closest Approach To Earth (1.909 AU)
May 18 - Asteroid 78453 Bullock Closest Approach To Earth (2.049 AU)
May 18 - Kuiper Belt Object 2015 KH162 At Opposition (58.714 AU)
May 18 - 30th Anniversary (1988), Torino Meteorite Fall (Hit Building in Italy)
May 18 - 65th Anniveray (1953), Jacqueline Cochran Becomes 1st Woman to Break
Sound Barrier
May 18 - Richard Tousey's 110th Birthday (1908)
May 18 - Omar Khayyam's 970th Birthday (1048)
May 19 - Comet 66P/du Toit Perihelion (1.290 AU)
May 19 - Comet P/2010 H2 (Vales) Closest Approach To Earth (2.256 AU)
May 19 - Comet P/2014 U2 (Kowalski) At Opposition (3.028 AU)
May 19 - Comet 120P/Mueller At Opposition (4.235 AU)
May 19 - Comet C/2013 C2 (Tenagra) At Opposition (8.820 AU)
May 19 - Asteroid 128036 Rafaelnadal Closest Approach To Earth (0.885 AU)
May 19 - Asteroid 6469 Armstrong Closest Approach To Earth (1.055 AU)
May 19 - Asteroid 224693 Morganfreeman Closest Approach To Earth (1.818 AU)
May 19 - Asteroid 2104 Toronto Closest Approach To Earth (1.929 AU)
May 19 - Asteroid 10377 Kilimanjaro Closest Approach To Earth (2.621 AU)
May 19 - John Hayford's 150th Birthday (1868)
May 20 - Comet 118P/Shoemaker-Levy At Opposition (3.363 AU)
May 20 - Comet 84P/Giclas At Opposition (3.775 AU)
May 20 - Apollo Asteroid 24761 Ahau Closest Approach To Earth (0.867 AU)
May 20 - Asteroid 15318 Innsbrook Closest Approach To Earth (1.156 AU)
May 20 - Asteroid 472 Roma Closest Approach To Earth (1.821 AU)
May 20 - Asteroid 3623 Chaplin Closest Approach To Earth (1.934 AU)
May 20 - Asteroid 8657 Cedrus Closest Approach To Earth (2.023 AU)
May 20 - 30th Anniversary (1978), Pioneer Venus 1 Launch
May 21 - Centaur Object 10199 Chariklo Occults 2UCAC 20274656 (14.4 Magnitude
Star)
May 21 - Asteroid 4104 Alu Closest Approach To Earth (1.367 AU)
May 21 - Asteroid 8734 Warner Closest Approach To Earth (1.975 AU)
May 21 - Glenn Curtiss' 140th Birthday (1878)
May 22 - Mars Autumnal Equinox
May 22 - Comet 215P/NEAT At Opposition (3.056 AU)
May 22 - Asteroid 9949 Brontosaurus Closest Approach To Earth (1.230 AU)
May 22 - Asteroid 16682 Donati Closest Approach To Earth (1.325 AU)
May 22 - Asteroid 1541 Estonia Closest Approach To Earth (1.623 AU)
May 22 - David Levy's 70th Birthday (1948)
May 22 - 110th Anniversary (1808), Stannern Meteorite Fall in Czechoslovakia
May 23 - Comet 24P/Schaumasse At Opposition (1.454 AU)
May 23 - Comet P/2010 H2 (Vales) At Opposition (2.259 AU)
May 23 - Comet 159P/LONEOS Perihelion (3.625 AU)
May 23 - Comet 104P/Kowal At Opposition (4.057 AU)
May 23 - Apollo Asteroid 2016 WL7 Near-Earth Flyby (0.080 AU)
May 23 - Asteroid 1284 Latvia Closest Approach To Earth (2.104 AU)
May 23 - Thomas Reiter's 60th Birthday (1958)
May 24 - Comet 107P/Wilson-Harrington Perihelion (0.970 AU)
May 24 - Asteroid 4 Vesta Occults UCAC4-359-131702 (12.4 Magnitude Star)
May 24 - Asteroid 337044 Bobdylan Closest Approach To Earth (1.467 AU)
May 24 - Asteroid 30444 Shemp Closest Approach To Earth (1.845 AU)
May 25 - Towel Day - Annual Tribute to Douglas Adams
May 25 - Comet 5D/Brorsen Closest Approach To Earth (2.295 AU)
May 25 - Comet P/2012 SB6 (Lemmon) At Opposition (3.601 AU)
May 25 - Comet P/2011 U2 (Bressi) At Opposition (4.583 AU)
May 25 - Asteroid 17059 Elvis Closest Approach To Earth (1.553 AU)
May 25 - Asteroid 157064 Sedona Closest Approach To Earth (2.104 AU)
May 25 - 10th Anniversary (2008), Phoenix, Mars Landing
May 26 - Comet 234P/LINEAR Closest Approach To Earth (2.354 AU)
May 26 - Comet 187P/LINEAR Closest Approach To Earth (2.888 AU)
May 26 - Comet 187P/LINEAR At Opposition (2.888 AU)
May 26 - Comet P/2011 U2 (Bressi) Closest Approach To Earth (4.583 AU)
May 26 - Apollo Asteroid 2017 LF Near-Earth Flyby (0.085 AU)
May 26 - Asteroid 5738 Billpickering Closest Approach To Earth (2.119 AU)
May 26 - Plutino 2006 HJ123 At Opposition (33.096 AU)
May 27 - Moon Occults Asteroid 16 Psyche
May 27 - Comet 255P/Levy At Opposition (2.698 AU)
May 27 - Comet P/2017 G2 (PANSTARRS) Closest Approach To Earth (2.954 AU)
May 27 - Comet 315P/LONEOS At Opposition (3.368 AU)
May 27 - Comet 187P/LINEAR Perihelion (3.881 AU)
May 27 - Aten Asteroid 66391 (1999 KW4) Near-Earth Flyby (0.078 AU)
May 27 - Asteroid 11335 Santiago Closest Approach To Earth (1.456 AU)
May 27 - Asteroid 2197 Shanghai Closest Approach To Earth (2.302 AU)
May 27 - Plutino 38628 Huya At Opposition (27.633 AU)
May 27 - Alexander Volkov's 70th Birthday (1948)
May 28 - Comet P/1999 RO28 (LONEOS) Closest Approach To Earth (2.877 AU)
May 28 - Comet C/2015 VL62 Closest Approach To Earth (2.895 AU)
May 28 - Comet 215P/NEAT Closest Approach To Earth (3.051 AU)
May 28 - Comet 157P/Tritton At Opposition (3.884 AU)
May 28 - Asteroid 4 Vesta Occults TYC 6268-00905-1 (10.3 Magnitude Star)
May 28 - Asteroid 17744 Jodiefoster Closest Approach To Earth (1.376 AU)
May 28 - Asteroid 6117 Brevardastro Closest Approach To Earth (1.478 AU)
May 28 - Asteroid 4099 Wiggins Closest Approach To Earth (1.803 AU)
May 28 - Asteroid 2044 Wirt Closest Approach To Earth (1.997 AU)
May 28 - Asteroid 1042 Amazone Closest Approach To Earth (2.273 AU)
May 29 - Comet P/2008 T4 (Hill) Perihelion (2.527 AU)
May 29 - Aten Asteroid 68347 (2001 KB67) Near-Earth Flyby (0.024 AU)
May 29 - Apollo Asteroid 2014 WG365 Near-Earth Flyby (0.061 AU)
May 29 - Asteroid 3131 Mason-Dixon Closest Approach To Earth (1.832 AU)
* May 29 - Kuiper Belt Object 2010 JO179 At Opposition (57.435 AU)
May 30 - Soyuz MS-9 Soyuz-FG Launch (International Space Station 55S)
May 29 - Comet P/2008 T4 (Hill) Perihelion (2.527 AU)
May 30 - Comet C/2017 B3 (LINEAR) Closest Approach To Earth (3.873 AU)
May 30 - Comet 144P/Kushida At Opposition (3.888 AU)
May 30 - Asteroid 4 Vesta Occults UCAC4-358-128730 (12.2 Magnitude Star)
May 30 - Asteroid 12325 Bogota Closest Approach To Earth (1.353 AU)
May 30 - Neptune Trojan 2010 TT191 At Opposition (33.184 AU)
May 30 - Michael Lopez-Alegria's 60th Birthday (1958)
May 30 - Hannes Alfven's 100th Birthday (1908)
May 30 - Raymond Dugan's 140th Birthday (1878)
May 31 - Comet 164P/Christensen Perihelion (1.685 AU)
May 31 - Comet 227P/Catalina-LINEAR At Opposition (2.195 AU)
May 31 - Asteroid 4 Vesta Occults TYC 6268-00025-1 (10.7 Magnitude Star)
May 31 - Asteroid 4 Vesta Occults TYC 6268-00036-1 (11.0 Magnitude Star)
May 31 - Amor Asteroid 2013 LE7 Near-Earth Flyby (0.046 AU)
May 31 - Aten Asteroid 5381 Sekmet Closest Approach To Earth (1.081 AU)
May 31 - Asteroid 5891 Gehrig Closest Approach To Earth (1.724 AU)
May 31 - Asteroid 13599 Lisbon Closest Approach To Earth (1.896 AU)
May 31 - Asteroid 24102 Jacquecassini Closest Approach To Earth (1.913 AU)
May 31 - Asteroid 589 Croatia Closest Approach To Earth (2.250 AU)
May 31 - Kuiper Belt Object 2007 JH43 At Opposition (39.551 AU)
May 31 - 10th Anniversary (2008), STS-124 Launch (Space Shuttle Discovery, International Space Station)
May 31 - 20th Anniversary (1998), Galileo, Europa 15 Flyby

June 2018
Jun ?? - Crew Space Transportation 100 (CST-100) Atlas 5 Launch (Unmanned)
Jun ?? - SpX-DM2 Falcon 9 Launch (Internationl Space Station)
* Jun ?? - ICESAT 2/ELFIN/IT-SPINS/SurfSat/ARC 2 Delta 2 7420 Launch
Jun ?? - AEHF-5 Atlas 5 Launch
Jun ?? - Telkom 4 Falcon 9 Launch
Jun 01 - Comet 168P/Hergenrother Closest Approach To Earth (2.988 AU)
Jun 01 - Asteroid 4 Vesta Occults 2UCAC 24660991 (12.1 Magnitude Star)
Jun 01 - Asteroid 8837 London Closest Approach To Earth (0.982 AU)
Jun 01 - Asteroid 61342 Lovejoy Closest Approach To Earth (1.163 AU)
Jun 01 - Georgy Dobrovolsky's 90th birthday (1928)
Jun 01 - Geminiano Montanari's 385th Birthday (1633)
Jun 02 - Comet 261P/Larson At Opposition (2.265 AU)
Jun 02 - Comet 96P/Machholz Closest Approach To Earth (2.397 AU)
Jun 02 - Comet 178P/Hug-Bell At Opposition (3.780 AU)
Jun 02 - Apollo Asteroid 2016 XF Near-Earth Flyby (0.077 AU)
Jun 02 - Asteroid 16421 Roadrunner Closest Approach To Earth (0.981 AU)
Jun 02 - Asteroid 5860 Deankootz Closest Approach To Earth (1.827 AU)
Jun 02 - Asteroid 243 Ida Closest Approach To Earth (1.966 AU)
Jun 02 - Asteroid 2191 Uppsala Closest Approach To Earth (2.254 AU)
Jun 02 - 15th Anniversary (2003), Mars Express/ Beagle 2 Launch
Jun 02 - 20th Anniversary (1998), STS-91 Launch (Space Shuttle Discovery, Mir
Space Station)
Jun 02 - 35th Anniversary (1983), Venera 15 Launch (USSR Venus Orbiter)
Jun 02 - 160th Anniversary (1858), Discovery of Donati's Comet
Jun 03 - Comet P/2015 X6 (PANSTARRS) Closest Approach To Earth (2.212 AU)
Jun 03 - Comet P/2015 X6 (PANSTARRS) At Opposition (2.212 AU)
Jun 03 - Comet 234P/LINEAR At Opposition (2.362 AU)
Jun 03 - Apollo Asteroid 4257 Ubasti Closest Approach To Earth (1.751 AU)
Jun 03 - 5th Anniversary (2013), Discovery of Rings Around Chariklo
* Jun 04 - Comet C/2017 M5 (TOTAS) Perihelion (5.984 AU)
Jun 04 - Asteroid 16035 Sasandford Closest Approach To Earth (1.589 AU)
Jun 04 - Asteroid 2825 Crosby Closest Approach To Earth (1.592 AU)
Jun 04 - Asteroid 17656 Hayabusa Closest Approach To Earth (1.686 AU)
Jun 04 - Asteroid 10189 Normanrockwell Closest Approach To Earth (1.794 AU)
Jun 04 - Asteroid 49272 Bryce Canyon Closest Approach To Earth (2.206 AU)
Jun 04 - Asteroid 284891 Kona Closest Approach To Earth (2.744 AU)
Jun 04 - Kuiper Belt Object 278361 (2007 JJ43) At Opposition (39.991 AU)
Jun 04 - John Grigg's 180th Birthday (1838)
Jun 05 - Apollo Asteroid 2004 LB Near-Earth Flyby (0.092 AU)
Jun 05 - Apollo Asteroid 11885 Summanus Closest Approach To Earth (1.326 AU)
Jun 05 - Asteroid 5102 Benfranklin Closest Approach To Earth (2.007 AU)
Jun 05 - Asteroid 17427 Poe Closest Approach To Earth (2.913 AU)
Jun 05 - Sydney Observatory's 160th Birthday (1858)
Jun 06 - Asteroid 23990 Springsteen Closest Approach To Earth (1.260 AU)
Jun 06 - Asteroid 2829 Bobhope Closest Approach To Earth (1.715 AU)
Jun 06 - Asteroid 9533 Aleksejleonov Closest Approach To Earth (2.008 AU)
Jun 06 - 35th Anniversary (1983), Venera 16 Launch (USSR Venus Orbiter)
Jun 07 - Dwarf Planet Ceres Occults 2UCAC 40020132 (12.3 Magniutde Star)
Jun 07 - Asteroid 16 Psyche Occults TYC 5586-00262-1 (11.9 Magnitude Star)
Jun 07 - Aten Asteroid 2017 EH1 Near-Earth Flyby (0.096 AU)
Jun 07 - Asteroid 2955 Newburn Closest Approach To Earth (0.920 AU)
Jun 07 - Asteroid 1718 Namibia Closest Approach To Earth (1.183 AU)
Jun 07 - Apollo Asteroid 4769 Castalia Closest Approach To Earth (1.206 AU)
Jun 07 - Asteroid 4535 Adamcarolla Closest Approach To Earth (1.354 AU)
Jun 07 - Asteroid 83360 Catalina Closest Approach To Earth (1.696 AU3)
Jun 07 - Bernard Burke's 90th Birthday (1928)
Jun 07 - 265th Anniversary (1753), British Museum Founded
Jun 08 - World Oceans Day
Jun 08 - Comet 212P/NEAT At Opposition (3.758 AU)
Jun 08 - Comet P/2016 WM48 (Lemmon) At Opposition (3.852 AU)
Jun 08 - Asteroid 881 Athene Closest Approach To Earth (1.342 AU)
Jun 08 - Asteroid 20403 Attenborough Closest Approach To Earth (2.218 AU)
Jun 08 - Kuiper Belt Object 2010 KZ39 At Opposition (45.036 AU)
Jun 08 - 100th Anniversary (1918), Discovery of Nova Aquila
Jun 09 - Comet P/2012 TK8 (Tenagra) At Opposition (4.125 AU)
Jun 09 - Apollo Asteroid 4660 Nereus Closest Approach To Earth (1.743 AU)
Jun 09 - Apollo Asteroid 4197 Morpheus Closest Approach To Earth (1.770 AU)
Jun 09 - Asteroid 130 Elektra Closest Approach To Earth (2.559 AU)
Jun 09 - Asteroid 2069 Hubble Closest Approach To Earth (2.587 AU)
Jun 10 - Comet 263P/Gibbs At Opposition (1.732 AU)
Jun 10 - Comet P/2001 T3 (NEAT) Perihelion (2.485 AU)
Jun 10 - Comet C/2015 VL62 At Opposition (2.940 AU)
Jun 10 - Asteroid 6827 Wombat Closest Approach To Earth (2.020 AU)
Jun 10 - Asteroid 26733 Nanavistor Closest Approach To Earth (1.367 AU)
Jun 10 - 15th Anniversary (2003), Mars Exploration Rover A (Spirit) Launch
Jun 10 - 45th Anniversary (1973), Explorer 49 Launch (Moon Orbiter)
Jun 11 - Comet P/2007 T2 (Kowalski) Closest Approach To Earth (0.502 AU)
Jun 11 - Comet P/2017 G2 (PANSTARRS) At Opposition (2.989 AU)
Jun 11 - Amor Asteroid 2015 DP155 Near-Earth Flyby (0.023 AU)
Jun 11 - Apollo Asteroid 2008 LA Near-Earth Flyby (0.071 AU)
Jun 11 - Neptune Trojan 2013 KY18 At Opposition (29.046 AU)
Jun 11 - Kuiper Belt Object 174567 Varda At Opposition (45.762 AU)
Jun 11 - 5th Anniversary (2013), Shenzhou 10 CZ-2F/H Launch (Chinese Manned Launch to Tian Gong1 1 Space Station)
Jun 11 - 70th Anniversary (1948), V-2 Blossom Launch (Carried Albert I the Rhesus Monkey)
Jun 11 - Johann Georg Palitzsch's 295th Birthday (1723)
Jun 12 - Comet 354P/LINEAR Closest Approach To Earth (1.559 AU)
Jun 12 - Asteroid 770 Bali Closest Approach To Earth (1.521 AU)
Jun 12 - Asteroid 14593 Everett Closest Approach To Earth (1.596 AU)
Jun 12 - Asteroid 1241 Dysona Closest Approach To Earth (1.980 AU)
Jun 12 - Asteroid 70715 Allancheuvront Closest Approach To Earth (2.026 AU)
Jun 12 - David Gill's 175th Birthday (1843)
Jun 13 - Comet 354P/LINEAR At Opposition (1.559 AU)
Jun 13 - Comet 182P/LONEOS Closest Approach To Earth (2.859 AU)
Jun 13 - Asteroid 4 Vesta Occults 2UCAC 24411081 (11.8 Magnitude Star)
Jun 13 - Asteroid 3720 Hokkaido Closest Approach To Earth (1.091 AU)
Jun 13 - Asteroid 4987 Flamsteed Closest Approach To Earth (1.146 AU)
Jun 13 - 20th Anniversary (1998), Portales Valley Meteorite Fall (Hit Barn in
New Mexico)
Jun 13 - Willard Bennett's 115th Birthday (1903)
Jun 13 - Alan Griffith's 125th Birthday (1893)
Jun 13 - Reinhold Tiling's 125th Birthday (1893)
Jun 13 - Thomas Young's 245th Birthday (1773)
Jun 14 - Comet 112P/Urata-Niijima At Opposition (3.604 AU)
Jun 14 - Comet 204P/LINEAR-NEAT At Opposition (4.051 AU)
Jun 14 - Asteroid 2032 Ethel Occults HIP 93993 (6.3 Magnitude Star)
* Jun 14 - Apollo Asteroid 3361 Orpheus Closest Approach To Earth (0.448 AU)
Jun 14 - Asteroid 8277 Machu-Picchu Closest Approach To Earth (1.417 AU)
Jun 14 - Asteroid 7220 Philnicholson Closest Approach To Earth (1.532 AU)
Jun 14 - Asteroid 4808 Ballaero Closest Approach To Earth (2.091 AU)
Jun 14 - 50th Anniversary (1968), 1st Asteroid Observed by Radar (1566 Icarus)
Jun 15 - Aten Asteroid 2004 LO2 Near-Earth Flyby (0.064 AU)
Jun 15 - Asteroid 6600 Qwerty Closest Approach To Earth (1.515 AU)
Jun 15 - Asteroid 8250 Cornell Closest Approach To Earth (1.794 AU)
Jun 15 - Hubertus Strughold's 120th Birthday (1898)
Jun 16 - Comet P/2017 P1 (PANSTARRS) Perihelion (5.439 AU)
Jun 16 - Aten Asteroid 469737 (2005 NW44) Near-Earth Flyby (0.055 AU)
Jun 16 - Aten Asteroid 2014 GQ17 Near-Earth Flyby (0.086 AU)
Jun 16 - Asteroid 46686 Anitasohus Closest Approach To Earth (1.211 AU)
Jun 16 - Apollo Asteroid 162173 Ryugu Closest Approach To Earth (1.897 AU)
Jun 16 - Amor Asteroid 3199 Nefertiti Closest Approach To Earth (1.912 AU)
Jun 16 - Asteroid 2000 Herschel Closest Approach To Earth (2.053 AU)
Jun 16 - Asteroid 2118 Flagstaff Closest Approach To Earth (2.082 AU)
Jun 16 - Asteroid 1213 Algeria Closest Approach To Earth (2.285 AU)
Jun 16 - 55th Anniversary (1963), 1st Woman In Space (Valentina Tereshkova)
Jun 16 - 80th Anniversary (1938), Pantar Meteorite Fall (Hit Buildings in Philippine Islands)
Jun 16 - Alexander Friedmann's 130th Birthday (1888)
Jun 17 - Comet 261P/Larson Closest Approach To Earth (2.233 AU)
Jun 17 - Comet C/2017 M4 (ATLAS) At Opposition (3.351 AU)
Jun 17 - Asteroid 5231 Verne Closest Approach To Earth (1.926 AU)
Jun 17 - Asteroid 13010 Germantitov Closest Approach To Earth (2.464 AU)
Jun 17 - Asteroid 10063 Erinleeryan Closest Approach To Earth (2.962 AU)
Jun 17 - James Elliot's 75th Birthday (1943)
Jun 18 - Comet 5D/Brorsen At Opposition (2.385 AU)
Jun 18 - Asteroid 896 Sphinx Closest Approach To Earth (0.902 AU)
Jun 18 - Asteroid 797 Montana Closest Approach To Earth (1.404 AU)
Jun 18 - Asteroid 6442 Salzburg Closest Approach To Earth (1.562 AU)
Jun 18 - Asteroid 4372 Quincy Closest Approach To Earth (2.105 AU)
Jun 18 - Asteroid 2421 Nininger Closest Approach To Earth (2.219 AU)
Jun 18 - Plutino 28978 Ixion At Opposition (38.457 AU)
Jun 18 - 35th Anniversary (1983), 1st US Woman In Space (Sally Ride)
Jun 19 - Comet P/2002 EJ57 (LINEAR) Perihelion (2.627 AU)
Jun 19 - Centaur Object 10199 Chariklo Occults 2UCAC 20035476 (14.8 Magnitude
Star)
Jun 19 - Asteroid 3875 Staehle Closest Approach To Earth (0.939 AU)
Jun 19 - Asteroid 4 Vesta Closest Approach To Earth (1.140 AU)
Jun 19 - Asteroid 14413 Geiger Closest Approach To Earth (1.496 AU)
Jun 19 - Asteroid 5441 Andymurray Closest Approach To Earth (1.801 AU)
Jun 19 - Asteroid 1815 Beethoven Closest Approach To Earth (2.685 AU)
Jun 19 - 15th Anniversary (2003), Nozomi, Earth Flyby
Jun 19 - Viktor Patsayev's 85th Birthday (1933)
Jun 20 - Comet C/2016 M1 (PANSTARRS) At Opposition (1.296 AU)
Jun 20 - Comet 36P/Whipple At Opposition (3.302 AU)
Jun 20 - Asteroid 5634 Victorborge Closest Approach To Earth (0.965 AU)
Jun 20 - Asteroid 4031 Mueller Closest Approach To Earth (1.198 AU)
Jun 21 - Summer Solstice, 10:07 UT
Jun 21 - Comet 133P/Elst-Pizarro At Opposition (1.676 AU)
Jun 21 - Amor Asteroid 2014 MZ5 Near-Earth Flyby (0.077 AU)
Jun 21 - Aten Asteroid 2014 OL339 Closest Approach To Earth (0.287 AU)
Jun 21 - Asteroid 10071 Paraguay Closest Approach To Earth (1.313 AU)
Jun 21 - Asteroid 3267 Glo Closest Approach To Earth (1.926 AU)
Jun 21 - Centaur Object 5145 Pholus At Opposition (26.850 AU)
Jun 21 - 25th Anniversary (1993), STS-57 Launch (Space Shuttle Endeavour, Spacehab)
Jun 21 - Gennady Padalka's 60th Birthday (1958)
Jun 21 - Maximilian Wolf's 155th Birthday (1863)
Jun 21 - Jean Chacornac's 195th Birthday (1823)
Jun 22 - Apollo Asteroid 4034 Vishnu Closest Approach To Earth (1.494 AU)
Jun 22 - Asteroid 13926 Berners-Lee Closeset Approach To Earth (1.639 AU)
Jun 22 - Asteroid 7818 Muirhead Closest Approach To Earth (2.068 AU)
Jun 22 - 40th Anniversary (1978), Jim Christy's Discovery of Pluto's Moon Charon
Jun 23 - Moon Occults Asteroid 16 Psyche
Jun 23 - Comet P/2011 CR42 (Catalina) Perihelion (2.522 AU)
Jun 23 - Comet 210P/Christensen At Opposition (4.264 AU)
Jun 23 - Apollo Asteroid 467309 (1996 AW1) Near-Earth Flyby (0.046 AU)
Jun 23 - Asteroid 51829 Williemccool Closest Approach To Earth (1.196 AU)
Jun 23 - Asteroid 2343 Siding Spring Closest Approach To Earth (1.380 AU)
Jun 23 - Apollo Asteroid 2063 Bacchus Closest Approach To Earth (1.702 AU)
Jun 23 - Kuiper Belt Object 50000 Quaoar At Opposition (41.882 AU)
Jun 24 - Comet P/2013 CU129 (PANSTARRS) Perihelion (0.798 AU)
Jun 24 - Comet 133P/Elst-Pizarro Closest Approach To Earth (1.675 AU)
Jun 24 - Asteroid 2032 Ethel Occults HIP 93315 (6.5 Magnitude Star)
Jun 24 - Aten Asteroid 441987 (2010 NY65) Near-Earth Flyby (0.019 AU)
Jun 24 - Asteroid 61189 Ohsadaharu Closest Approach To Earth (1.195 AU)
Jun 24 - 80th Anniversary (1938), Chicora Meteorite Fall (Hit Cow in Pennsylvania)
Jun 24 - Victor Hess' 125th Birthday (1883)
Jun 25 - Comet C/2016 M1 (PANSTARRS) Closest Approach To Earth (1.289 AU)
Jun 25 - Asteroid 2975 Spahr Closest Approach To Earth (1.194 AU)
Jun 25 - Asteroid 2315 Czechoslovakia Closest Approach To Earth (2.210 AU)
Jun 26 - Comet P/2009 Q4 (Boattini) At Opposition (3.910 AU)
Jun 26 - Apollo Asteroid 2007 UD6 Near-Earth Flyby (0.074 AU)
Jun 26 - Asteroid 3000 Leonardo Closest Approach To Earth (1.379 AU)
Jun 26 - Asteroid 12002 Suess Closest Approach To Earth (1.760 AU)
Jun 26 - Asteroid 79896 Billhaley Closest Approach To Earth (1.848 AU)
Jun 26 - 40th Anniversary (1978), SEASAT 1 Launch
Jun 27 - Progress MS-9 Soyuz-2.1a Launch (International Space Station 70P)
Jun 27 - Saturn At Opposition
Jun 27 - Moon Occults Asteroid 4 Vesta
Jun 27 - Comet 96P/Machholz At Opposition (2.491 AU)
Jun 27 - Comet 211P/Hill At Opposition (3.500 AU)
Jun 27 - Atira Asteroid 2015 ME131 Closest Approach To Earth (1.088 AU)
Jun 28 - Comet 182P/LONEOS At Opposition (2.892 AU)
Jun 28 - Amor Asteroid 7088 Ishtar Closest Approach To Earth (1.737 AU)
Jun 29 - Comet 82P/Gehrels Perihelion (3.634 AU)
* Jun 29 - Apollo Asteroid 10563 Izhdubar Closest Approach To Earth (0.738 AU)
Jun 29 - Asteroid 2991 Bilbo Closest Approach To Earth (0.825 AU)
Jun 29 - Asteroid 4238 Audrey Closest Approach To Earth (1.385 AU)
Jun 29 - George Hale's 150th Birthday (1868)
Jun 29 - Angelo Secchi's 200th Birthday (1818)
Jun 30 - Asteroid Day
Jun 30 - Comet 164P/Christensen Closest Approach To Earth (2.655 AU)
Jun 30 - Asteroid 4 Vesta Occults 2UCAC 23685002 (11.5 Magnitude Star)
Jun 30 - Asteroid 7816 Hanoi Closest Approach To Earth (1.526 AU)
Jun 30 - Asteroid 6471 Collins Closest Approach To Earth (1.650 AU)
Jun 30 - Asteroid 9500 Camelot Closest Approach To Earth (2.045 AU)
Jun 30 - 100th Anniversary (1918), Richardton Meteorite Fall (Hit Building in
North Dakota)
Jun 30 - 110th Anniversary (1908), Tunguska Explosion Event

July 2018
Jul ?? - Oceansat-3 PSLV-CA Launch
Jul ?? - Iridium Next 71-75/GRACE-FO 1 & 2 Falcon 9 Launch
Jul 01 - Progress MS-10 Soyuz-2.1a Launch (International Space Station 71P)
Jul 01 - Comet 110P/Hartley At Opposition (3.725 AU)
Jul 01 - Comet 75D/Kohoutek At Opposition (4.137 AU)
Jul 01 - Asteroid 1022 Olympiada Closest Approach To Earth (1.404 AU)
Jul 01 - Jupiter Trojan Asteroid 5254 Ulysses Closest Approach To Earth (4.683 AU)
Jul 01 - Centaur Object 10370 Hylonome At Opposition (23.011 AU)
Jul 01 - Ed Lu's 55th Birthday (1963)
Jul 01 - Dick Rutan's 80th Birthday (1938)
Jul 01 - Amy Johnson's 115th Birthday (1903)
Jul 02 - Amor Asteroid 1916 Boreas Closest Approach To Earth (0.657 AU)
Jul 02 - Asteroid 3498 Belton Closest Approach To Earth (1.507 AU)
Jul 02 - Neptune Trojan 2008 LC18 At Opposition (31.418 AU)
Jul 02 - Kinch Kincheloe's 90th Birthday (1928)
Jul 02 - Hugh Dryden's 120th Birthday (1898)
Jul 03 - Aten Asteroid 2005 MF5 Near-Earth Flyby (0.083 AU)
Jul 03 - Asteroid 274860 Emilylakdawalla Closest Approach To Earth (2.058 AU)
Jul 03 - Kuiper Belt Object 307261 (2002 MS4) At Opposition (45.689 AU)
Jul 03 - 20th Anniversary (1998), Nozomi Launch (Japan Mars Mission)
Jul 04 - Comet 289P/Blanpain At Opposition (3.357 AU)
Jul 04 - Asteroid 4 Vesta Occults TYC 6260-01625-1 (10.9 Magnitude Star)
Jul 04 - Aten Asteroid 2016 NB1 Near-Earth Flyby (0.068 AU)
Jul 04 - Henrietta Leavitt's 145th Birthday (1868)
Jul 04 - Jean Pierre Blanchard's 265th Birthday (1753)
Jul 05 - Comet 101P-B/Chernykh At Opposition (3.789 AU)
Jul 05 - Centaur Object 10199 Chariklo Occults 2UCAC 20034326 (14.8 Magnitude
Star)
* Jul 05 - Aten Asteroid 2340 Hathor Closest Approach To Earth (0.532 AU)
Jul 05 - Asteroid 3709 Polypoites Closest Approach To Earth (4.569 AU)
Jul 05 - Centaur Object 55576 Amycus At Opposition (19.831 AU)
Jul 06 - Earth At Aphelion (1.017 AU From Sun)
Jul 06 - Comet 101P/Chernykh At Opposition (3.721 AU)
Jul 06 - Asteroid 584 Semiramis Occults HIP 8544 (6.2 Magnitude Star)
Jul 06 - Asteroid 18499 Showalter Closest Approach To Earth (0.755 AU)
Jul 06 - Asteroid 2410 Morrison Closest Approach To Earth (1.208 AU)
Jul 06 - Asteroid 3526 Jeffbell Closest Approach To Earth (1.527 AU)
Jul 06 - 80th Anniversary (1938), Seth Nicholson's Discovery of Jupiter Moon Lysithea
Jul 07 - Asteroid 11365 NASA Closest Approach To Earth (1.332 AU)
Jul 07 - Amor Asteroid 1915 Quetzalcoatl Closest Approach To Earth (2.248 AU)
Jul 07 - Asteroid 34901 Mauna Loa Closest Approach To Earth (2.845 AU)
Jul 07 - 15th Anniversary (2003), Mars Exploration Rover B (Opportunity) Launch
Jul 07 - George Graham's 345th Birthday (1673)
Jul 08 - Kuiper Belt Object 50000 Quaoar Occults UCAC4-374-109194 (14.6 Magnitude Star)
Jul 08 - Kuiper Belt Object 486958 (2014 MU69) At Opposition (42.237 AU)
Jul 08 - Kuiper Belt Object 2014 PN70 At Opposition (42.932 AU)
Jul 09 - Moon Occults Asteroid 87 Sylvia
Jul 09 - Comet 94P/Russell Closest Approach To Earth (2.993 AU)
Jul 09 - Comet P/2008 Y12 (SOHO) At Opposition (3.933 AU)
Jul 09 - Centaur Object 10199 Chariklo At Opposition (14.913 AU)
Jul 09 - 60th Anniversary (1958), Thor-Able Launch (Carried Laska the Mouse)
Jul 09 - James Pollack's 80th Birthday (1938)
Jul 10 - Moon Occults Aldebaran
Jul 10 - Apollo Asteroid 65803 Didymos Closest Approach To Earth (1.298 AU)
Jul 10 - Asteroid 13586 Copenhagen Closest Approach To Earth (1.785 AU)
Jul 11 - Asteroid 1388 Aphrodite Closest Approach To Earth (1.768 AU)
Jul 11 - Jupiter Trojan Asteroid 1143 Odysseus Closest Approach To Earth (4.694 AU)
Jul 11 - 150th Anniversary (1868), Ornans Meteorite Fall in France
Jul 12 - Mercury At Its Greatest Eastern Elongation (26 Degrees)
Jul 12 - 30th Anniversary (1988), Phobos 2 Launch (Soviet Mars Orbiter)
Jul 13 - Partial Solar Eclipse
Jul 13 - Apollo Asteroid 9162 Kwiila Closest Approach To Earth (0.829 AU)
Jul 13 - Asteroid 3768 Monroe Closest Approach To Earth (1.954 AU)
Jul 13 - Dwarf Planet 134340 Pluto At Opposition (32.584 AU)
Jul 14 - Asteroid 84882 Table Mountain Closest Approach To Earth (1.436 AU)
Jul 14 - George Green's 225th Birthday (1793)
Jul 15 - International Observe The Moon Night
Jul 15 - Asteroid 6779 Perrine Closest Approach To Earth (1.416 AU)
Jul 15 - Asteroid 7231 Porco Closest Approach To Earth (2.025 AU)
Jul 15 - Neptune Trojan 2011 HM102 At Opposition (27.204 AU)
Jul 15 - Jane Luu's 55th Birthday (1963)
Jul 15 - Jocelyn Bell's 75th Birthday (1943)
Jul 15 - Carl Woese's 90th Birthday (1928)
Jul 15 - Henri Buisson's 145th Birthday (1873)
Jul 16 - Comet 49P/Arend-Rigaux Perihelion (1.430 AU)
Jul 16 - Comet C/2017 M4 (ATLAS) Closest Approach To Earth (3.230 AU)
Jul 16 - Asteroid 7672 Hawking Closest Approach To Earth (1.317 AU)
Jul 16 - Asteroid 1790 Volkov Closest Approach To Earth (1.405 AU)
Jul 16 - Asteroid 20469 Dudleymoore Closest Approach To Earth (1.492 AU)
Jul 16 - Asteroid 5760 Mittlefehldt Closest Approach To Earth (1.714 AU)
Jul 16 - Asteroid 5816 Potsdam Closest Approach To Earth (2.163 AU)
Jul 17 - Comet 216P/LINEAR At Opposition (3.787 AU)
Jul 17 - Centaur Object 10199 Chariklo Occults 2UCAC 20033219 (13.7 Magnitude
Star)
Jul 17 - Asteroid 2362 Mark Twain Closest Approach To Earth (0.988 AU)
Jul 17 - Asteroid 7984 Marius Closest Approach To Earth (1.456 AU)
Jul 17 - Asteroid 9941 Iguanodon Closest Approach To Earth (1.562 AU)
Jul 17 - Asteroid 17473 Freddiemercury Closest Approach To Earth (1.734 AU)
Jul 17 - Asteroid 9674 Slovenija Closest Approach To Earth (1.787 AU)
Jul 18 - Comet C/2016 N6 (PANSTARRS) Perihelion (2.670 AU)
Jul 18 - Comet 94P/Russell At Opposition (3.006 AU)
Jul 18 - Comet 233P/La Sagra At Opposition (3.189 AU)
Jul 18 - Hendrik Lorentz's 165th Birthday (1853)
Jul 19 - Comet P/2013 CU129 (PANSTARRS) Closest Approach To Earth (0.236 AU)
Jul 19 - Asteroid 3229 Solnhofen Closest Approach To Earth (0.987 AU)
Jul 19 - Apollo Asteroid 5011 Ptah Closest Approach To Earth (1.450 AU)
Jul 19 - Asteroid 3115 Baily Closest Approach To Earth (1.815 AU)
Jul 19 - Asteroid 1578 Kirkwood Closest Approach To Earth (3.565 AU)
Jul 19 - 5th Anniversary (2013), Cassini, Earth Photo
Jul 20 - Alberto Santos-Dumont's 145th Birthday (1873)
Jul 21 - Apollo Asteroid 2012 BV26 Near-Earth Flyby (0.053 AU)
Jul 21 - Atira Asteroid 413563 (2005 TG45) Closest Approach To Earth (0.236 AU)
Jul 21 - Asteroid 37530 Dancingangel Closest Approach To Earth (0.918 AU)
Jul 21 - Asteroid 588 Achilles (Jupiter Trojan) Closest Approach To Earth (4.851 AU)
Jul 21 - 20th Anniversary (1998), Galileo, Europa 16 Flyby
Jul 21 - 45th Anniversary (1973), Mars 4 Launch (USSR Mars Mission)
Jul 22 - Comet P/2007 T2 (Kowalski) Perihelion (0.656 AU)
* Jul 22 - Comet 267P/LONEOS Perihelion (1.241 AU)
Jul 22 - Comet P/2005 JN (Spacewatch) Perihelion (2.277 AU)
Jul 22 - Asteroid 3904 Honda Closest Approach To Earth (1.731 AU)
Jul 22 - Asteroid 2224 Tucson Closest Approach To Earth (1.737 AU)
Jul 23 - Comet 349P/Lemmon Closest Approach To Earth (2.097 AU)
Jul 23 - Asteroid 85386 Payton Closest Approach To Earth (1.470 AU)
Jul 23 - Apollo Asteroid 2135 Aristaeus Closest Approach To Earth (1.507 AU)
Jul 23 - Asteroid 5249 Giza Closest Approach To Earth (2.369 AU)
Jul 23 - 60th Anniversary (1958), Thor-Able Launch (Carried Milkie the Mouse)
Jul 23 - Vera Rubin's 90th Birthday (1928)
Jul 24 - Asteroid 253 Mathilde Closest Approach To Earth (1.064 AU)
Jul 24 - Asteroid 7367 Giotto Closest Approach To Earth (2.291 AU)
Jul 24 - 70th Anniversary (1948), Marvin the Martian Debut on Looney Tunes
Jul 24 - Henri-Alexandre Deslandres' 165th Birthday (1853)
Jul 25 - Apollo Asteroid 2014 WO371 Near-Earth Flyby (0.060 AU)
Jul 25 - Asteroid 125071 Lugosi Closest Approach To Earth (1.452 AU)
Jul 25 - Asteroid 8373 Stephengould Closest Approach To Earth (4.136 AU)
Jul 25 - 45th Anniversary (1973), Mars 5 Launch (USSR Mars Orbiter)
Jul 26 - Comet 49P/Arend-Rigaux Closest Approach To Earth (2.401 AU)
Jul 26 - Comet 150P/LONEOS At Opposition (3.979 AU)
Jul 26 - Asteroid 3866 Langley Closest Approach To Earth (1.925 AU)
Jul 26 - Asteroid 30928 Jefferson Closest Approach To Earth (2.096 AU)
Jul 26 - Lenka Kotkova's 45th Birtday (1973)
Jul 26 - 55th Anniversary (1963), Syncom 2 Launch, 1st Geosynchronous Satellite
Jul 27 - Total Lunar Eclipse
Jul 27 - Mars At Opposition
Jul 27 - Comet 138P/Shoemaker-Levy At Opposition (1.894 AU)
Jul 27 - Comet 114P/Wiseman-Skiff At Opposition (3.197 AU)
Jul 27 - Asteroid 6563 Steinheim Closest Approach To Earth (1.422 AU)
Jul 27 - Asteroid 6433 Enya Closest Approach To Earth (1.424 AU)
Jul 27 - Asteroid 8129 Michaelbusch Closest Approach To Earth (1.449 AU)
Jul 27 - Asteroid 15058 Billcooke Closest Approach To Earth (2.145 AU)
Jul 28 - Asteroid 1602 Indiana Closest Approach To Earth (1.445 AU)
Jul 28 - Asteroid 3784 Chopin Closest Approach To Earth (1.640 AU)
Jul 28 - 45th Anniversary (1973), Skylab-3 Launch
Jul 28 - Albert Wilson's 100th Birthday (1918)
Jul 28 - Theodor Wulf's 150th Birthday (1868)
Jul 29 - South Delta-Aquarids Meteor Shower Peak
Jul 29 - Comet 200P/Larsen At Opposition (2.821 AU)
Jul 29 - Apollo Asteroid 439313 (2012 VE82) Near-Earth Flyby (0.068 AU)
Jul 29 - Asteroid 42487 Angstrom Closest Approach To Earth (1.183 AU)
Jul 29 - Asteroid 1268 Libya Closest Approach To Earth (3.349 AU)
Jul 30 - Asteroid 27500 Mandelbrot Closest Approach To Earth (1.834 AU)
Jul 30 - 80th Anniversary (1938), Seth Nicholson's Discovery of Jupiter Moon Carme
Jul 31 - Parker Solar Probe (Solar Probe Plus) Delta 4H Launch
Jul 31 - Comet 3D/Biela At Opposition (1.717 AU)
Jul 31 - Comet 3D/Biela Closest Approach To Earth (1.717 AU)
Jul 31 - Comet 76P/West-Kohoutek-Ikemura At Opposition (2.868 AU)
Jul 31 - Asteroid 1896 Beer Closest Approach To Earth (1.022 AU)
Jul 31 - Asteroid 10217 Richardcook Closest Approach To Earth (1.209 AU)
Jul 31 - Asteroid 55 Pandora Closest Approach To Earth (1.589 AU)
Jul 31 - Richard Oldham's 160th Birthday (1858)
Jul 31 - John Canton's 300th Birthday (1718)

August 2018
Aug ?? - Crew Space Transportation 100 (CST-100) Atlas 5 Launch (Manned)
Aug ?? - CRS-15 Falcon 9 Launch (International Space Station)
Aug ?? - BeiDou IGSO-7 CZ-3A Launch
Aug 01 - Alpha Capricornids Meteor Shower Peak
Aug 01 - Apollo Asteroid 420591 (2012 HF31) Near-Earth Flyby (0.072 AU)
Aug 01 - Asteroid 246913 Slocum Closest Approach To Earth (1.289 AU)
Aug 01 - Asteroid 2157 Ashbrook Closest Approach To Earth (1.583 AU)
Aug 01 - Asteroid 3197 Weissman Closest Approach To Earth (1.826 AU)
Aug 01 - Koichi Wakata's 55th Birthday (1963)
Aug 01 - Maria Mitchell's 200th Birthday (1818)
Aug 02 - Asteroid 365756 ISON Closest Approach To Earth (7.776 AU)
Aug 02 - Kuiper Belt Object 2013 AT183 At Opposition (63.748 AU)
Aug 03 - Comet 349P/Lemmon At Opposition (2.113 AU)
Aug 03 - Asteroid 100007 Peters Closest Approach To Earth (2.136 AU)
Aug 03 - Centaur Object 83982 Crantor At Opposition (17.832)
Aug 04 - Apollo Asteroid 428694 Saule Closest Approach To Earth (0.806 AU)
Aug 04 - Moon Occults Asteroid 3 Juno
Aug 04 - Asteroid 2672 Pisek Occults HIP 12387 (4.1 Magnitude Star)
Aug 04 - Asteroid 10050 Rayman Closest Approach To Earth (1.023 AU)
Aug 04 - Asteroid 3808 Tempel Closest Approach To Earth (1.578 AU)
Aug 04 - Asteroid 327 Columbia Closest Approach To Earth (1.601 AU)
Aug 04 - Apollo Asteroid 4183 Cuno Closest Approach To Earth (1.743 AU)
Aug 04 - Asteroid 2309 Mr. Spock Closest Approach To Earth (2.126 AU)
Aug 04 - 20th Anniversary (1998), Zag Meteorite Fall in Morocco
Aug 05 - Comet P/2013 R3 (Catalina-PANSTARRS) At Opposition (1.306 AU)
Aug 05 - Comet P/2009 SK280 (Spacewatch-Hill) At Opposition (3.431 AU)
Aug 05 - Aten Asteroid 398188 Agni Near-Earth Flyby (0.060 AU)
Aug 05 - Amor Asteroid 6456 Golombek Closest Approach To Earth (0.341 AU)
Aug 05 - Asteroid 9880 Stegosaurus Closest Approach To Earth (1.402 AU)
Aug 06 - Moon Occults Aldebaran
Aug 06 - Southern Iota Aquarids Meteor Shower Peak
Aug 06 - Comet P/2010 U2 (Hill) At Opposition (2.603 AU)
Aug 06 - Comet 200P/Larsen Closest Approach To Earth (2.811 AU)
Aug 06 - Comet C/2017 M5 (TOTAS) Closest Approach To Earth (5.032 AU)
Aug 06 - Aten Asteroid 2011 FQ6 Near-Earth Flyby (0.094 AU)
Aug 06 - Asteroid 16809 Galapagos Closest Approach To Earth (1.563 AU)
Aug 06 - Asteroid 2620 Santana Closest Approach To Earth (1.791 AU)
Aug 07 - Comet P/2011 A2 (Scotti) At Opposition (3.486 AU)
Aug 07 - Asteroid 9957 Rafaellosanti Closest Approach To Earth (0.997 AU)
Aug 07 - Asteroid 241418 Darmstadt Closest Approach To Earth (1.841 AU)
Aug 07 - Kuiper Belt Object 2008 OG19 At Opposition (37.703 AU)
Aug 08 - Comet 66P/du Toit Closest Approach To Earth (0.917 AU)
Aug 08 - Comet P/2009 SK280 (Spacewatch-Hill) Closest Approach To Earth (3.430 AU)
Aug 08 - 40th Anniversary (1978), Pioneer Venus 2 Launch
Aug 08 - Svetlana Savitskaya's 70th Birthday (1948)
Aug 08 - 155th Anniversary (1863), Pillistfer Meteorite Fall (Hit Building in
Estonia)
Aug 09 - Comet 172P/Yeung Closest Approach To Earth (2.922 AU)
* Aug 09 - Comet C/2017 M5 (TOTAS) At Opposition (5.033 AU)
Aug 09 - Apollo Asteroid 2008 HU4 Closest Approach To Earth (1.236 AU)
Aug 09 - Asteroid 27596 Maldives Closest Approach To Earth (1.314 AU)
Aug 09 - Asteroid 6349 Acapulco Closest Approach To Earth (1.772 AU)
Aug 09 - Asteroid 78756 Sloan Closest Approach To Earth (2.058 AU)
Aug 09 - Asteroid 1941 Wild Closest Approach To Earth (2.071 AU)
Aug 10 - Comet 105P/Singer Brewster Perihelion (2.045 AU)
Aug 10 - Comet C/2016 M1 (PANSTARRS) Perihelion (2.211 AU)
Aug 10 - Comet 129P/Shoemaker-Levy At Opposition (3.625 AU)
Aug 10 - Apollo Asteroid 11500 Tomaiyowit Closest Approach To Earth (0.462 AU)
Aug 10 - Apollo Asteroid 1566 Icarus Closest Approach To Earth (0.551 AU)
Aug 10 - Asteroid 1951 Lick Closest Approach To Earth (0.668 AU)
Aug 10 - Asteroid 100267 JAXA Closest Approach To Earth (1.320 AU)
Aug 10 - Asteroid 58221 Boston Closest Approach To Earth (2.040 AU)
Aug 10 - Asteroid 1069 Planckia Closest Approach To Earth (2.384 AU)
Aug 10 - Asteroid 624 Hektor (Jupiter Trojan) Closest Approach To Earth (4.362 AU)
Aug 10 - 15th Anniversary (2003), 1st Person to Marry in Space (Yuri Malenchenko)
Aug 10 - 50th Anniversary (1968), Piancaldoli Meteorite Fall (Hit House in Italy)
Aug 11 - Partial Solar Eclipse
Aug 11 - Asteroid 96205 Ararat Closest Approach To Earth (1.100 AU)
Aug 11 - Asteroid 8000 Isaac Newton Closest Approach To Earth (1.822 AU)
Aug 12 - Comet 73P-S/Schwassmann-Wachmann Perihelion (1.028 AU)
Aug 12 - Comet P/2013 R3 (Catalina-PANSTARRS) Closest Approach To Earth (1.300 AU)
Aug 12 - Comet 48P/Johnson Perihelion (2.005 AU)
Aug 12 - Asteroid 4226 Damiaan Closest Approach To Earth (1.187 AU)
Aug 12 - Asteroid 10051 Albee Closest Approach To Earth (1.187 AU)
Aug 12 - Asteroid 81203 Polynesia Closest Approach To Earth (1.854 AU)
Aug 12 - Apollo Asteroid 306367 Nut Closest Approach To Earth (3.399 AU)
Aug 12 - Centaur Object 52872 Okyrhoe At Opposition (9.793 AU)
Aug 12 - 40th Anniversary (1978), ISEE-3 (ICE) Launch
Aug 13 - Apollo Asteroid 2008 AG4 Near-Earth Flyby (0.094 AU)
Aug 13 - Asteroid 498 Tokio Closest Approach To Earth (1.083 AU)
Aug 13 - Asteroid 17942 Whiterabbit Closest Approach To Earth (1.310 AU)
Aug 13 - Asteroid 4134 Schutz Closest Approach To Earth (1.352 AU)
Aug 13 - Asteroid 2034 Bernoulli Closest Approach To Earth (1.451 AU)
Aug 13 - Asteroid 2404 Antarctica Closest Approach To Earth (1.907 AU)
Aug 13 - Apollo Asteroid 6063 Jason Closest Approach To Earth (2.801 AU)
Aug 14 - Comet 3D/Biela Perihelion (0.803 AU)
Aug 14 - Comet 245P/WISE Closest Approach To Earth (1.637 AU)
Aug 14 - Comet P/2013 W1 (PANSTARRS) At Opposition (4.004 AU)
Aug 14 - Asteroid 9000 Hal Closest Approach To Earth (0.780 AU)
Aug 14 - Asteroid 4798 Mercator Closest Approach To Earth (1.088 AU)
Aug 14 - Asteroid 9621 Michaelpalin Closest Approach To Earth (1.465 AU)
Aug 15 - Amor Asteroid 2011 UA Near-Earth Flyby (0.081 AU)
Aug 15 - Apollo Asteroid 85585 Mjolnir Closest Approach To Earth (1.273 AU)
Aug 15 - Asteroid 16770 Angkorwat Closest Approach To Earth (1.728 AU)
Aug 16 - Comet 138P/Shoemaker-Levy Closest Approach To Earth (1.841 AU)
Aug 16 - Comet 172P/Yeung At Opposition (2.929 AU)
Aug 16 - Asteroid 4115 Peternorton Closest Approach To Earth (2.125 AU)
Aug 16 - Stuart Roosa's 85th Birthday (1933)
Aug 17 - Venus At Its Greatest Eastern Elongation (46 Degrees)
Aug 17 - Aten Asteroid 2016 JJ17 Near-Earth Flyby (0.065 AU)
Aug 17 - Apollo Asteroid 4341 Poseidon Closest Approach To Earth (1.912 AU)
Aug 17 - Gene Kranz's 85th Birthday (1933)
Aug 18 - Comet 37P/Forbes Closest Approach To Earth (0.975 AU)
Aug 18 - Comet 137P/Shoemaker-Levy At Opposition (1.204 AU)
Aug 18 - Comet 76P/West-Kohoutek-Ikemura Closest Approach To Earth (2.824 AU)
Aug 18 - Asteroid 7536 Fahrenheit Closest Approach To Earth (1.467 AU)
Aug 18 - Asteroid 5335 Damocles (Burnt Out Comet) At Opposition (19.188 AU)
Aug 18 - 150th Anniversary (1868), Jules Janssen's Discovery of Helium
Aug 19 - Comet P/2010 U2 (Hill) Closest Approach To Earth (2.580 AU)
Aug 19 - Leonid Kulik's 135th Birthday (1883)
Aug 20 - Comet 48P/Johnson Closest Approach To Earth (1.014 AU)
Aug 20 - Comet 78P/Gehrels At Opposition (1.660 AU)
Aug 20 - Comet P/2006 F1 (Kowalski) Closest Approach To Earth (3.140 AU)
Aug 20 - Aten Asteroid 2017 FR63 Near-Earth Flyby (0.065 AU)
Aug 20 - Asteroid 11083 Caracas Closest Approach To Earth (1.344 AU)
Aug 20 - Asteroid 9770 Discovery Closest Approach To Earth (1.441 AU)
Aug 21 - Comet 293P/Spacewatch At Opposition (3.759 AU)
Aug 21 - Asteroid 13743 Rivkin Closest Approach To Earth (0.918 AU)
Aug 21 - Asteroid 8672 Morse Closest Approach To Earth (1.154 AU)
Aug 21 - Asteroid 144633 Georgecarroll Closest Approach To Earth (1.731 AU)
Aug 21 - Asteroid 3992 Wagner Closest Approach To Earth (1.774 AU)
Aug 21 - Asteroid 4513 Louvre Closest Approach To Earth (2.013 AU)
Aug 21 - Asteroid 11548 Jerrylewis Closest Approach To Earth (2.015 AU)
Aug 21 - Asteroid 8084 Dallas Closest Approach To Earth (2.729 AU)
Aug 22 - Comet P/1996 R2 (Lagerkvist) At Opposition (1.774 AU)
Aug 22 - Comet P/2006 F1 (Kowalski) At Opposition (3.141 AU)
Aug 22 - Comet 332P-F/Ikeya-Murakami At Opposition (3.563 AU)
Aug 22 - Aten Asteroid 2015 QM3 Near-Earth Flyby (0.063 AU)
Aug 22 - John Thome's 175th Birthday (1843)
Aug 23 - Comet 48P/Johnson At Opposition (1.015 AU)
Aug 23 - Comet 332P-B/Ikeya-Murakami At Opposition (3.552 AU)
Aug 23 - Comet 332P-I/Ikeya-Murakami At Opposition (3.552 AU)
Aug 23 - Comet 332P/Ikeya-Murakami At Opposition (3.554 AU)
Aug 23 - Comet 332P-D/Ikeya-Murakami At Opposition (3.554 AU)
Aug 23 - Comet 332P-A/Ikeya-Murakami At Opposition (3.558 AU)
Aug 23 - Comet 332P-C/Ikeya-Murakami At Opposition (3.558 AU)
Aug 23 - Comet 332P-H/Ikeya-Murakami At Opposition (3.558 AU)
Aug 23 - Comet 332P-E/Ikeya-Murakami At Opposition (3.559 AU)
Aug 23 - Comet P/2004 FY140 (LINEAR) At Opposition (4.186 AU)
Aug 23 - Asteroid 188534 Mauna Kea Closest Approach To Earth (1.692 AU)
Aug 23 - Asteroid 9499 Excalibur Closest Approach To Earth (1.948 AU)
Aug 24 - Asteroid 2002 Euler Closest Approach To Earth (1.432 AU)
Aug 25 - Northern Iota Aquarids Meteor Shower Peak
Aug 25 - Apollo Asteroid 2005 QQ87 Near-Earth Flyby (0.089 AU)
Aug 25 - Apollo Asteroid 2012 BD14 Near-Earth Flyby (0.100 AU)
Aug 25 - Apollo Asteroid 54509 YORP Closest Approach To Earth (0.704 AU)
Aug 25 - Asteroid 7010 Locke Closest Approach To Earth (1.122 AU)
Aug 25 - Asteroid 35137 Meudon Closest Approach To Earth (1.205 AU)
Aug 25 - Asteroid 11926 Orinoco Closest Approach To Earth (1.265 AU)
Aug 25 - Asteroid 10346 Triathlon Closest Approach To Earth (1.466 AU)
Aug 25 - Asteroid 2521 Heidi Closest Approach To Earth (2.042 AU)
Aug 25 - Asteroid 115561 Frankherbert Closest Approach To Earth (2.364 AU)
Aug 25 - Asteroid 6546 Kaye Closest Approach To Earth (2.521 AU)
Aug 25 - 15th Anniversary (2003), Spitzer Space Telescope Launch
Aug 26 - Mercury At Its Greatest Western Elongation (18 Degrees)
Aug 26 - Comet 243P/NEAT Perihelion (2.454 AU)
Aug 26 - Comet 332P-G/Ikeya-Murakami At Opposition (3.540 AU)
Aug 26 - Amor Asteroid 2016 RW17 Near-Earth Flyby (0.069 AU)
Aug 26 - Asteroid 5799 Brewington Closest Approach To Earth (1.201 AU)
Aug 27 - Comet 125P/Spacewatch Perihelion (1.520 AU)
Aug 27 - Comet 65P/Gunn Closest Approach To Earth (2.296 AU)
Aug 27 - Kuiper Belt Object 225088 (2007 OR10) At Opposition (87.061 AU)
Aug 27 - Sergei Krikalev's 60th Birthday (1958)
Aug 27 - Hal Weaver's 65th Birthday (1953)
* Aug 28 - Comet C/2017 P2 (PANSTARRS) Closest Approach To Earth (2.897 AU)
Aug 28 - Comet 81P/Wild At Opposition (3.832 AU)
Aug 28 - Aten Asteroid 2016 GK135 Near-Earth Flyby (0.043 AU)
Aug 28 - Apollo Asteroid 358744 (2008 CR118) Near-Earth Flyby (0.099 AU).
Aug 28 - Asteroid 9622 Terryjones Closest Approach To Earth (1.425 AU)
Aug 28 - Asteroid 1193 Africa Closest Approach To Earth (1.730 AU)
Aug 28 - Asteroid 3688 Navajo Closest Approach To Earth (3.752 AU)
Aug 28 - 25th Anniversary (1993), Galileo Flyby of Asteroids Ida & Dactyl
Aug 29 - Comet P/1996 R2 (Lagerkvist) Closest Approach To Earth (1.767 AU)
Aug 29 - Comet C/2015 V1 (PANSTARRS) Closest Approach To Earth (3.872 AU)
Aug 29 - Comet P/2004 WR9 (LINEAR) At Opposition (4.091 AU)
Aug 29 - Aten Asteroid 1998 SD9 Near-Earth Flyby (0.011 AU)
Aug 29 - Aten Asteroid 2016 NF23 Near-Earth Flyby (0.034 AU)
Aug 29 - Asteroid 51823 Rickhusband Closest Approach To Earth (1.863 AU)
Aug 29 - Asteroid 1691 Oort Closest Approach To Earth (1.930 AU)
Aug 29 - Asteroid 10463 Bannister Closest Approach To Earth (2.046 AU)
* Aug 30 - Comet 245P/WISE At Opposition (1.673 AU)
Aug 30 - Asteroid 31556 Shatner Closest Approach To Earth (1.118 AU)
Aug 30 - Asteroid 6143 Pythagoras Closest Approach To Earth (1.655 AU)
Aug 30 - Asteroid 1743 Schmidt Closest Approach To Earth (1.745 AU)
Aug 30 - Asteroid 2127 Tanya Closest Approach To Earth (2.155 AU)
Aug 30 - Kuiper Belt Object 408706 (2004 NT33) At Opposition (38.293 AU)
Aug 30 - 35th Anniversary (1983), STS-8 Launch (Space Shuttle Challenger, 1st
African America in Space - Guion Bluford)
Aug 31 - Comet 266P/Christensen At Opposition (2.880 AU)
Aug 31 - Comet P/2009 WX51 (Catalina) At Opposition (4.237 AU)
* Aug 31 - Aten Asteroid 136818 Selqet Closest Approach To Earth (0.290 AU)
Aug 31 - Asteroid 8722 Schirra Closest Approach To Earth (0.778 AU)
Aug 31 - Asteroid 7307 Takei Closest Approach To Earth (1.981 AU)
Aug 31 - Kuiper Belt Object 307982 (2004 PG115) At Opposition (37.432 AU)
Aug 31 - Pavel Vinogradov's 65th Birthday (1953)
Aug 31 - Bernard Lovell's 105th Birthday (1913)

September 2018
* Sep ?? - Spektr-RG (SXG) Proton-M/DM-03 Launch
* Sep ?? - BeiDou-3 (M15 & M16) CZ-3C/YZ-1 Launch
* Sep 01 - Comet 2P/Encke At Opposition (3.055 AU)
* Sep 01 - Asteroid 18932 Robinhood Closest Approach To Earth (0.840 AU)
* Sep 01 - Asteroid 3665 Fitzgerald Closest Approach To Earth (1.310 AU)
* Sep 01 - Apollo Asteroid 2201 Oljato Closest Approach To Earth (1.468 AU)
* Sep 01 - Asteroid 11195 Woomera Closest Approach To Earth (1.556 AU)
* Sep 01 - Asteroid 7291 Hyakutake Closest Approach To Earth (1.607 AU)
* Sep 01 - Centaur Object 7066 Nessus At Opposition (27.311 AU)
* Sep 01 - Kuiper Belt Object 2003 QX113 At Opposition (59.148 AU)
* Sep 01 - Shawn Hermann's 45th Birthday (1973)
* Sep 01 - 90th Anniversary (1928), Discovery of the Winona Meteorite in Arizona
* Sep 01 - Osten Bergstrand's 145th Birthday (1873)
* Sep 02 - Apollo Asteroid 2011 CX46 Near-Earth Flyby (0.061 AU)
* Sep 02 - Kuiper Belt Object 50000 Quaoar Occults 2UCAC 26280876 (12.6 Magnitude Star)
* Sep 02 - Plutino 175113 (2004 PF115) At Opposition (40.571 AU)
* Sep 02 - Christa McAuliffe's 70th Birthday (1948)
* Sep 02 - Valentin Glushko's 110th Birthday (1908)
* Sep 03 - Moon Occults Aldebaran
* Sep 03 - Apollo Asteroid 2015 FP118 Near-Earth Flyby (0.031 AU)
* Sep 03 - Apollo Asteroid 2017 DQ35 Near-Earth Flyby (0.100 AU)
* Sep 03 - Asteroid 17681 Tweedledum Closest Approach To Earth (1.002 AU)
* Sep 03 - Asteroid 4758 Hermitage Closest Approach To Earth (1.651 AU)
* Sep 03 - Asteroid 149244 Kriegh Closest Approach To Earth (1.194 AU)
* Sep 03 - Kuiper Belt Object 120178 (2003 OP32) At Opposition (41.368 AU)
* Sep 03 - Lyudmila Karachkina's 70th Birthday (1948)
* Sep 04 - Comet 73P-S/Schwassmann-Wachmann Closest Approach To Earth (0.893 AU)
* Sep 04 - Comet 65P/Gunn At Opposition (2.305 AU)
* Sep 04 - Asteroid 11055 Honduras Closest Approach To Earth (1.128 AU)
* Sep 04 - Asteroid 1996 Adams Closest Approach To Earth (1.218 AU)
* Sep 04 - Asteroid 4305 Clapton Closest Approach To Earth (2.105 AU)
* Sep 04 - Abu Rayhan al-Biruni's 1045th Birthday (973 AD)
* Sep 05 - Comet 137P/Shoemaker-Levy Closest Approach To Earth (1.168 AU)
* Sep 05 - Comet P/2013 A2 (Scotti) At Opposition (4.169 AU)
* Sep 05 - Asteroid Aten Asteroid 2100 Ra-Shalom Closest Approach To Earth (0.895 AU)
* Sep 05 - Asteroid 4559 Strauss Closest Approach To Earth (1.731 AU)
* Sep 05 - Asteroid 10552 Stockholm Closest Approach To Earth (2.504 AU)
* Sep 05 - Apollo Asteroid 7092 Cadmus Closest Approach To Earth (3.291 AU)
* Sep 06 - Comet 223P/Skiff At Opposition (1.622 AU)
* Sep 06 - Comet 78P/Gehrels Closest Approach To Earth (1.625 AU)
* Sep 06 - Asteroid 117329 Spencer Closest Approach To Earth (1.823 AU)
* Sep 06 - Louis Essen's 110th Birtdhay (1908)
* Sep 07 - Neptune At Opposition
* Sep 07 - Asteroid 633 Zelima Occults HIP 109139 (4.3 Magnitude Star)
* Sep 07 - Amor Asteroid 2007 RZ8 Near-Earth Flyby (0.096 AU)
* Sep 07 - Asteroid 274020 Skywalker Closest Approach To Earth (1.489 AU)
* Sep 07 - Apollo Asteroid 5731 Zeus Closest Approach To Earth (2.436 AU)
* Sep 07 - Kuiper Belt Object 145452 (2005 RN43) At Opposition (39.617 AU)
* Sep 07 - Joseph Hubbard's 195th Birthday (1823)
* Sep 08 - Comet C/2015 V1 (PANSTARRS) At Opposition (3.891 AU)
* Sep 08 - Kuiper Belt Object 2010 RF43 At Opposition (52.738 AU)
* Sep 09 - Comet P/2008 O2 (McNaught) Closest Approach To Earth (2.813 AU)
* Sep 09 - Comet 266P/Christensen Closest Approach To Earth (2.869 AU)
* Sep 09 - Comet 214P/LINEAR At Opposition (4.241 AU)
* Sep 09 - Comet 29P/Schwassmann-Wachmann Closest Approach To Earth (4.771 AU) * Sep 09 - Asteroid 253 Mathilde Occults 2UCAC 26555577 (12.4 Magnitude Star)
* Sep 09 - Asteroid 8275 Inca Closest Approach To Earth (1.348 AU)
* Sep 09 - Asteroid 44016 Jimmypage Closest Approach To Earth (1.772 AU)
* Sep 09 - Apollo Asteroid 2102 Tantalus Closest Approach To Earth (1.620 AU)
* Sep 10 - Comet 21P/Giacobini-Zinner Perihelion (1.013 AU)
* Sep 10 - Comet P/2008 O2 (McNaught) At Opposition (2.813 AU)
* Sep 10 - Comet 29P/Schwassmann-Wachmann At Opposition (4.771)
* Sep 10 - Comet C/2015 T2 (PANSTARRS) Closest Approach To Earth (6.986 AU)
* Sep 11 - Comet 21P/Giacobini-Zinner Closest Approach To Earth (0.391 AU)
* Sep 11 - Comet 73P-Y/Schwassmann-Wachmann Perihelion (0.947 AU)
* Sep 11 - Comet P/2007 T4 (Gibbs) At Opposition (2.444 AU)
* Sep 11 - Asteroid 4 Vesta Occults TYC 6832-00088-1 (12.2 Magnitude Star)
* Sep 11 - Asteroid 253 Mathilde Occults 2UCAC 26556032 (11.5 Magnitude Star)
* Sep 11 - Apollo Asteroid 2008 KZ5 Near-Earth Flyby (0.075 AU)
* Sep 11 - Apollo Asteroid 2010 CO1 Near-Earth Flyby (0.081 AU)
* Sep 11 - 120th Anniversary (1898), Max Wolf's Discovery of Asteroid 434 Hungaria
* Sep 12 - Comet 336P/McNaught At Opposition (3.516 AU)
* Sep 12 - Asteroid 231307 Peterfalk Closest Approach To Earth (1.657 AU)
* Sep 12 - Asteroid 4766 Malin Closest Approach To Earth (1.693 AU)
* Sep 12 - 25th Anniversary (1993), STS-51 Launch (Space Shuttle Discovery, ACTS)
* Sep 13 - Comet 79P/du Toit-Hartley Perihelion (1.121 AU)
* Sep 13 - Comet P/2017 P1 (PANSTARRS) Closest Approach To Earth (4.452 AU)
* Sep 13 - Asteroid 253 Mathilde Occults TYC 6296-00308-1 (11.5 Magnitude Star) * Sep 13 - Asteroid 1432 Ethiopia Closest Approach To Earth (0.860 AU)
* Sep 13 - Asteroid 9620 Ericidle Closest Approach To Earth (1.207 AU)
* Sep 13 - Asteroid 19578 Kirkdouglas Closest Approach To Earth (1.360 AU)
* Sep 13 - Asteroid 886 Washingtonia Closest Approach To Earth (1.391 AU)
* Sep 13 - Asteroid 15131 Alanalda Closest Approach To Earth (1.478 AU)
* Sep 13 - Asteroid 2046 Leningrad Closest Approach To Earth (1.590 AU)
* Sep 14 - Comet 37P/Forbes At Opposition (1.047 AU)
* Sep 14 - Comet 223P/Skiff Closest Approach To Earth (1.612 AU)
* Sep 14 - Comet P/2005 R1 (NEAT) Perihelion (2.068 AU)
* Sep 14 - Comet P/2017 K3 (Gasparovic) At Opposition (3.223 AU)
* Sep 14 - Comet P/2010 B2 (WISE) At Opposition (3.478 AU)
* Sep 14 - Comet P/2016 BA14 (PANSTARRS) At Oppositoin (4.023 AU)
* Sep 14 - Asteroid 1991 Darwin Closest Approach To Earth (0.873 AU)
* Sep 15 - Comet 252P/LINEAR At Opposition (4.082 AU)
* Sep 15 - Comet P/2017 P1 (PANSTARRS) At Opposition (4.453 AU)
* Sep 15 - Amor Asteroid 3552 Don Quixote Closest Approach To Earth (1.391 AU) * Sep 15 - Jim Christy's 80th Birthday (1938)
* Sep 16 - International Day for the Preservation of the Ozone Layer
* Sep 16 - Apollo Asteroid 144332 (2004 DV24) Near-Earth Flyby (0.056 AU)
* Sep 16 - Asteroid 4279 De Gasparis Closest Approach To Earth (1.190 AU)
* Sep 16 - Asteroid 582 Olympia Closest Approach To Earth (1.756 AU)
* Sep 17 - Comet 59P/Kearns-Kwee Perihelion (2.357 AU)
* Sep 17 - Asteroid 4 Vesta Occults UCAC4-324-121850 (11.6 Magnitude Star)
* Sep 17 - Asteroid 253 Mathilde Occults UCAC4-374-159910 (13.8 Magnitude Star) * Sep 17 - Asteroid 10806 Mexico Closest Approach To Earth (2.536 AU)
* Sep 17 - 40th Anniversary (1978), 1st Episode of Battlestar Galactica Airs
* Sep 17 - Marc Buie's 60th Birthday (1958)
* Sep 18 - Comet 46P/Wirtanen At Opposition (0.595 AU)
* Sep 18 - Comet 79P/du Toit-Hartley Closest Approach To Earth (2.042 AU)
* Sep 18 - Asteroid 4 Vesta Occults 2UCAC 21606311 (11.6 Magnitude Star)
* Sep 18 - Asteroid 1704 Wachmann Closest Approach To Earth (1.415 AU)
* Sep 18 - Asteroid 416 Vaticana Closest Approach To Earth (1.756 AU)
* Sep 18 - Asteroid 73769 Delphi Closest Approach To Earth (1.941 AU)
* Sep 18 - Asteroid 3162 Nostalgia Closest Approach To Earth (2.120 AU)
* Sep 18 - Asteroid 247553 Berndpauli Closest Approach To Earth (2.359 AU)
* Sep 18 - Valentina Ponomaryova's 85th Birthday (1933)
* Sep 18 - Victor Ambartsumian's 110th Birthday (1908)
* Sep 19 - Asteroid 628 Christine Occults HIP 42911 (3.9 Magnitude Star)
* Sep 19 - Asteroid 2577 Litva Closest Approach To Earth (0.994 AU)
* Sep 19 - Asteroid 5405 Neverland Closest Approach To Earth (1.678 AU)
* Sep 19 - Asteroid 8564 Anomalocaris Closest Approach To Earth (1.871 AU)
* Sep 19 - Asteroid 3156 Ellington Closest Approach To Earth (2.189 AU)
* Sep 19 - Korado Korlevic's 60th Birthday (1958)
* Sep 19 - Christian Heinrich Friedrich Peters' 205th Birthday (1813)
* Sep 20 - Comet 131P/Mueller At Opposition (1.550 AU)
* Sep 20 - Comet 163P/NEAT At Opposition (2.128 AU)
* Sep 20 - Comet C/2017 K4 (ATLAS) Closest Approach To Earth (2.764 AU)
* Sep 20 - Comet 41P/Tuttle-Giacobini-Kresak At Opposition (3.291 AU)
* Sep 20 - Apollo Asteroid 2012 TT5 Near-Earth Flyby (0.092 AU)
* Sep 20 - Asteroid 6268 Versailles Closest Approach To Earth (1.161 AU)
* Sep 20 - Asteroid 13513 Manilla Closest Approach To Earth (1.434 AU)
* Sep 20 - Asteroid 6373 Stern Closest Approach To Earth (1.887 AU)
* Sep 20 - Asteroid 2875 Lagerkvist Closest Approach To Earth (2.046 AU)
* Sep 20 - 170th Anniversary (1848), Founding of the American Association for the Advancment of Science (AAAS)
* Sep 21 - Comet 133P/Elst-Pizarro Perihelion (2.665 AU)
* Sep 21 - Comet P/2011 U1 (PANSTARRS) At Opposition (3.570 AU)
* Sep 21 - Asteroid 4969 Lawrence Closest Approach To Earth (1.452 AU)
* Sep 22 - Comet 203P/Korlevic At Opposition (3.131 AU)
* Sep 22 - Comet 116P/Wild At Opposition (3.678 AU)
* Sep 22 - Asteroid 253 Mathilde Occults UCAC4-372-162925 (12.3 Magnitude Star) * Sep 22 - Asteroid 6542 Jacquescousteau Closest Approach To Earth (1.487 AU)
* Sep 22 - Asteroid 3062 Wren Closest Approach To Earth (1.722 AU)
* Sep 22 - 125th Anniversary (1893), Zabrodje Meteorite Fall (Hit House in Russia)
* Sep 23 - Autumnal Equinox, 01:54 UT
* Sep 23 - Comet 95P/Chiron At Opposition (17.715 AU)
* Sep 23 - Asteroid 253 Mathilde Occults 2UCAC 26110212 (12.4 Magnitude Star)
* Sep 23 - Apollo Asteroid 719 Albert Closest Approach To Earth (0.517 AU)
* Sep 23 - Asteroid 3106 Morabito Closest Approach To Earth (1.646 AU)
* Sep 23 - 15th Anniversary (2003), New Orleans Meteorite Fall (Hit House in Lousiana)
* Sep 24 - Comet 155P/Shoemaker At Opposition (3.242 AU)
* Sep 24 - Comet C/2015 T2 (PANSTARRS) At Opposition (7.011 AU)
* Sep 24 - Apollo Asteroid 2015 EP7 Near-Earth Flyby (0.053 AU)
* Sep 24 - Asteroid 5062 Glennmiller Closest Approach To Earth (0.934 AU)
* Sep 24 - Apollo Asteroid 1981 Midas Closest Approach To Earth (1.240 AU)
* Sep 24 - Asteroid 1322 Coppernicus Closest Approach To Earth (1.620 AU)
* Sep 24 - Asteroid 93 Minerva Closest Approach To Earth (1.685 AU)
* Sep 24 - Kuiper Belt Object 2010 RE64 At Opposition (50.896 AU)
* Sep 24 - Charlotte Moore Sitterly's 120th Birthday (1898)
* Sep 25 - Apollo Asteroid 2007 TV18 Near-Earth Flyby (0.052 AU)
* Sep 25 - Asteroid 82332 Las Vegas Closest Approach To Earth (1.568 AU)
* Sep 25 - Asteroid 132904 Notkin Closest Approach To Earth (2.440 AU)
* Sep 25 - Holger Thiele's 140th Birthday (1878)
* Sep 26 - Comet 131P/Mueller Closest Approach To Earth (1.544 AU)
* Sep 26 - Comet 77P/Longmore At Opposition (3.564 AU)
* Sep 26 - Asteroid 433 Eros Occults HIP 17681 (7.1 Magnitude Star)
* Sep 26 - Apollo Asteroid 1865 Cerberus Closest Approach To Earth (0.611 AU)
* Sep 26 - Amor Asteroid 2013 US8 Near-Earth Flyby (0.094 AU)
* Sep 26 - Asteroid 2933 Amber Closest Approach To Earth (1.503 AU)
* Sep 26 - Asteroid 5036 Tuttle Closest Approach To Earth (2.670 AU)
* Sep 26 - Kuiper Belt Object 120347 Salacia At Opposition (43.898 AU)
* Sep 27 - Comet 257P/Catalina Closest Approach To Earth (2.699 AU)
* Sep 27 - Comet C/2017 P2 (PANSTARRS) At Opposition (3.018 AU)
* Sep 27 - Asteroid 1006 Lagrangea Closest Approach To Earth (1.078 AU)
* Sep 27 - Asteroid 2925 Beatty Closest Approach To Earth (1.657 AU)
* Sep 27 - Asteroid 336698 Melbourne Closest Approach To Earth (2.181 AU)
* Sep 27 - 15th Anniversary (2003), Kendrapara Meteorite Fall (Hit Houses in India)
* Sep 27 - Martin Ryle's 100th Birthday (1918)
* Sep 28 - Comet P/2013 CU129 (PANSTARRS) At Opposition (0.632 AU)
* Sep 28 - Comet 66P/du Toit At Opposition (1.106 AU)
* Sep 28 - Comet 73P-T/Schwassmann-Wachmann Closest Approach To Earth (1.606 AU)
* Sep 28 - Comet 197P/LINEAR Closest Approach To Earth (1.863 AU)
* Sep 28 - Asteroid 3 Juno Occults 2UCAC 33692420 (12.4 Magntiude Star)
* Sep 28 - Asteroid 4 Vesta Occults 2UCAC 21388198 (11.6 Magnitude Star)
* Sep 28 - Asteroid 78905 Seanokeefe Closest Approach To Earth (1.889 AU)
* Sep 28 - 160th Anniversary (1858), 1st Photograph of a Comet (Donati's Comet by William Usherwood)
* Sep 29 - Aten Asteroid 2015 SO2 Near-Earth Flyby (0.099 AU)
* Sep 29 - Asteroid 85047 Krakatau Closest Approach To Earth (0.798 AU)
* Sep 29 - Asteroid 4783 Wasson Closest Approach To Earth (1.654 AU)
* Sep 29 - Asteroid 8249 Gershwin Closest Approach To Earth (1.817 AU)
* Sep 29 - 30th Anniversary (1988), STS-26 Launch (Space Shuttle Discovery, TDRS)
* Sep 29 - 80th Anniversary (1938), Benld Meteorite Fall (Hit Car in Illinois) * Sep 30 - Soyuz MS-10 Soyuz-FG Launch (International Space Station 56S)
* Sep 30 - Comet 203P/Korlevic Closest Approach To Earth (3.122 AU)
* Sep 30 - Asteroid 253 Mathilde Occults 2UCAC 25885060 (12.2 Magnitude Star)
* Sep 30 - Asteroid 10387 Bepicolombo Closest Approach To Earth (1.349 AU)
* Sep 30 - Asteroid 1772 Gagarin Closest Approach To Earth (1.797 AU)
* Sep 30 - Plutino 469372 (2001 QF298) At Opposition (42.486 AU)

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