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 5,000 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
August 22, 2017
=========================

* indicates changes from last month's calendar.

August 2017
* Aug ?? - Jilin 1-04,1-05,1-06 CZ-6 Launch
Aug 22 - Comet 5D/Brorsen Closest Approach To Earth (1.120 AU)
Aug 22 - Asteroid 3 Juno Occults 2UCAC 28762234 (12.4 Magnitude Star)
* Aug 22 - Amor Asteroid 2017 QB Near-Earth Flyby (0.066 AU)
* Aug 22 - Apollo Asteroid 2017 PX24 Near-Earth Flyby (0.096 AU)
Aug 22 - Asteroid 5540 Smirnova Closest Approach To Earth (0.821 AU)
Aug 22 - Asteroid 804 Hispania Closest Approach To Earth (1.437 AU)
Aug 22 - Asteroid 1791 Patsayev Closest Approach To Earth (1.509 AU)
Aug 22 - Asteroid 8423 Macao Closest Approach To Earth (1.627 AU)
Aug 22 - Asteroid 289586 Shackleton Closest Approach To Earth (1.643 AU)
Aug 22 - Raymonde de Laroche's 135th Birthday (1882)
Aug 23 - Comet 49P/Arend-Rigaux At Opposition (2.273 AU)
Aug 23 - Comet 247P/LINEAR At Opposition (3.161 AU)
Aug 23 - Comet P/2016 BA14 (PANSTARRS) At Opposition (3.283 AU)
Aug 23 - Apollo Asteroid 54509 YORP Closest Approach To Earth (0.652 AU)
Aug 23 - Lubor Kresak's 90th Birthday (1927)
Aug 24 - FORMOSAT 5/Sherpa Falcon 9 Launch
Aug 24 - Comet 73P-BC/Schwassmann-Wachmann Closest Approach To Earth (0.441 AU)
Aug 24 - Comet 339P/Gibbs At Opposition (2.742 AU)
Aug 24 - Comet P/2011 W2 (Rinner) At Opposition (3.115 AU)
Aug 24 - Comet 252P/LINEAR At Opposition (3.308 AU)
Aug 24 - Comet P/2016 A7 (PANSTARRS) At Opposition (3.550 AU)
* Aug 24 - Apollo Asteroid 2017 PE Near-Earth Flyby (0.050 AU)
Aug 24 - Asteroid 2531 Cambridge Closest Approach To Earth (2.176 AU)
Aug 24 - Asteroid 88705 Potato Closest Approach To Earth (2.212 AU)
Aug 24 - Asteroid 51827 Laurelclark Closest Approach To Earth (2.309 AU)
Aug 25 - ORS 5 Minotaur 4 Launch
Aug 25 - Northern Iota Aquarids Meteor Shower Peak
* Aug 25 - Apollo Asteroid 2017 QJ2 Near-Earth Flyby (0.023 AU)
Aug 25 - Apollo Asteroid 2005 QQ87 Near-Earth Flyby (0.087 AU)
Aug 25 - Asteroid 2598 Merlin Closest Approach To Earth (1.651 AU)
Aug 25 - Asteroid 2305 King Closest Approach To Earth (1.731 AU)
Aug 25 - Asteroid 2742 Gibson Closest Approach To Earth (1.851 AU)
Aug 25 - Asteroid 18728 Grammier Closest Approach To Earth (2.123 AU)
Aug 25 - 20th Anniversary (1997), Advanced Composition Explorer (ACE) Launch
Aug 26 - Cassini, Distant Flyby of Titan
* Aug 26 - Apollo Asteroid 2017 QX1 Near-Earth Flyby (0.033 AU)
Aug 26 - Asteroid 5945 Roachapproach Closest Approach To Earth (0.908 AU)
Aug 27 - Cassini, Distant Flyby of Janus, Daphnis, Prometheus, Epimetheus, Pandora & Pan
Aug 27 - Comet 349P/Lemmon Perihelion (2.496 AU)
Aug 27 - Comet C/2016 P4 (PANSTARRS) Closest Approach To Earth (5.316 AU)
* Aug 27 - Apollo Asteroid 2017 QU1 Near-Earth Flyby (0.042 AU)
Aug 27 - Asteroid 51824 Mikeanderson Closest Approach To Earth (1.660 AU)
Aug 28 - Asteroid 2710 Veverka Closest Approach To Earth (1.702 AU)
Aug 27 - Asteroid 9025 Polansky Closest Approach To Earth (1.756 AU)
Aug 27 - Asteroid 508 Princetonia Closest Approach To Earth (2.188 AU)
* Aug 27 - Kuiper Belt Object 444030 (2004 NT33) At Opposition (38.171 AU)
Aug 27 - Kuiper Belt Object 225088 (2007 OR10) At Opposition (86.827 AU)
Aug 27 - 55th Anniversary (1962), Mariner 2 Launch
* Aug 28 - IRNSS 1H PSLV Launch
* Aug 28 - Apollo Asteroid 2017 PL26 Near-Earth Flyby (0.036 AU)
Aug 28 - Cassini, Distant Flyby of Titan
Aug 28 - Comet C/2015 VL62 Perihelion (2.720 AU)
Aug 28 - Amor Asteroid 2015 RQ35 Near-Earth Flyby (0.098 AU)
Aug 28 - Amor Asteroid 2202 Pele Closest Approach To Earth (0.665 AU)
Aug 28 - Asteroid 29470 Higgs Closest Approach To Earth (1.573 AU)
Aug 28 - Asteroid 2710 Veverka Closest Approach To Earth (1.702 AU)
Aug 28 - Asteroid 293 Brasilia Closest Approach To Earth (2.207 AU)
Aug 28 - George Alcock's 105th Birthday (1912)
Aug 29 - Comet 236P/LINEAR Closest Approach To Earth (1.074 AU)
Aug 29 - Apollo Asteroid 3752 Camillo Closest Approach To Earth (0.557 AU)
Aug 29 - Asteroid 14094 Garneau Closest Approach To Earth (1.764 AU)
Aug 29 - Centaur Object 7066 Nessus At Opposition (26.750 AU)
Aug 29 - Kuiper Belt Object 307982 (2004 PG115) At Opposition (37.185 AU)
* Aug 30 - Apollo Asteroid 2017 QN1 Near-Earth Flyby (0.014 AU)
* Aug 30 - Apollo Asteroid 2017 QP2 Near-Earth Flyby (0.026 AU)
Aug 30 - Aten Asteroid 2100 Ra-Shalom Closest Approach To Earth (1.211 AU)
Aug 30 - Asteroid 2575 Bulgaria Closest Approach To Earth (1.215 AU)
Aug 30 - Asteroid 87 Sylvia (2 Moons) Closest Approach To Earth (2.176 AU)
Aug 30 - 25th Anniversary (1992), David Jewitt's & Jane Luu's Discovery of the 1st Kuiper Belt Object (1992 QB1)
Aug 31 - Comet P/2008 T4 (Hill) At Opposition (2.124 AU)
Aug 31 - Dwarf Planet Ceres Occults TYC 1910-00447-1 (7.9 Magnitude Star)
* Aug 31 - Aten Asteroid 2017 QQ1 Near-Earth Flyby (0.012 AU)
* Aug 31 - Apollo Asteroid 2017 PQ24 Near-Earth Flyby (0.088 AU)
Aug 31 - Asteroid 5040 Rabinowitz Closest Approach To Earth (0.889 AU)
Aug 31 - Asteroid 2864 Soderblom Closest Approach To Earth (2.137 AU)
Aug 31 - Centaur Object 944 Hidalgo At Opposition (3.287 AU)
Aug 31 - Kuiper Belt Object 2003 QX113 At Opposition (59.043 AU)
Aug 31 - 25th Anniversary (1992), Theodore Von Karman Stamp Release
Aug 31 - 55th Anniversary (1962), John F. Kennedy Signs Communications Satellite Act
Aug 31 - 85th Anniversary (1932), 1st Photo Showing Moon's Shadow on the Earth during Solar Ecipse Taken By Capt Albert Stevens
Aug 31 - 175th Anniverdary (1842), US Naval Observatory Authorized by Act of Congress
Aug 31 - Edouard Stephan's 180th Birthday (1837)
Aug 31 - James Ferguson's 220th Birthday (1797)

September 2017
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 01 - Comet 73P-BL/Schwassmann-Wachmann Closest Approach To Earth (1.044 AU)
Sep 01 - Comet 145P/Shoemaker-Levy Perihelion (1.904 AU)
Sep 01 - Comet 100P/Hartley Closest Approach To Earth (2.846 AU)
Sep 01 - Amor Asteroid 3122 Florence Near-Earth Flyby (0.047 AU)
Sep 01 - Asteroid 7507 Israel Closest Approach To Earth (0.889 AU)
Sep 01 - Asteroid 1159 Granada Closest Approach To Earth (1.260 AU)
Sep 01 - Plutino 175113 (2004 PF115) At Opposition (40.557 AU)
Sep 01 - Kuiper Belt Object 120178 (2003 OP32) At Opposition (41.265 AU)
Sep 01 - 20th Anniversary (1997), Worden Meteorite (Hit Garage & Car in Michigan)
Sep 01 - 35th Anniversary (1982), Founding of the United States Air Force Space Command
Sep 01 - Dirk Brouwer's 115th Birthday (1902)
Sep 01 - 135th Anniversary (1882), Discovery of the Great Comet of 1882
Sep 01 - Francis Aston's 140th Birthday (1877)
Sep 01 - Rado von Kovesligethy's 155th Birthday (1862)
* Sep 02 - Soyuz MS-4 Return to Earth (International Space Station)
Sep 02 - Cassini, Distant Flyby of Daphnis & Atlas
Sep 02 - Mercury Passes 4.1 Degrees from Mars
Sep 02 - Comet 73P-AS/Schwassmann-Wachmann Closest Approach To Earth (0.596 AU)
Sep 02 - Apollo Asteroid 101955 Bennu Closest Approach To Earth (0.336 AU)
Sep 02 - Asteroid 55555 DNA Closest Approach To Earth (1.283 AU)
Sep 02 - Asteroid 5190 Fry Closest Approach To Earth (2.411 AU)
Sep 02 - 50th Anniversary (1967), Wiluna Meteorite Shower in Australia
Sep 02 - Frederick Soddy's 140th Birthday (1877)
Sep 02 - 265th Anniversary (1752), British Empire Adopts Gregorian Calendar
Sep 03 - Comet P/2001 T3 (NEAT) At Opposition (2.437 AU)
Sep 03 - Asteroid 9258 Johnpauljones Closest Approach To Earth (0.899 AU)
Sep 03 - Asteroid 241 Germania Closest Approach To Earth (1.739 AU)
Sep 03 - Asteroid 218998 Navi Closest Approach To Earth (1.746 AU)
Sep 03 - Asteroid 73511 Lovas Closest Approach To Earth (1.983 AU)
Sep 03 - Apollo Asteroid 217628 Lugh Closest Approach To Earth (2.875 AU)
Sep 03 - 15th Anniversary (2003), Discovery of J002E3 (Apollo 12 Rocket Stage)
Sep 03 - Gerry Neugebauer's 85th Birthday (1932)
Sep 03 - Ralph Copeland's 180th Birthday (1837)
* Sep 04 - Apollo Asteroid 2017 QN Near-Earth Flyby (0.075 AU)
Sep 04 - Asteroid 3354 McNair Closest Approach To Earth (1.185 AU)
Sep 04 - Apollo Asteroid 11885 Summanus Closest Approach To Earth (1.440 AU)
Sep 04 - Asteroid 8958 Stargazer Closest Approach To Earth (1.491 AU)
Sep 04 - Asteroid 12382 Niagara Falls Closest Approach To Earth (1.698 AU)
Sep 04 - 5th Anniversary (2012), Dawn, Vesta Departure
Sep 04 - 55th Anniversary (1962), 1st Rocket Maneuver in Deep Space (Mariner 2)
Sep 04 - Oscar Monnig's 115th Birthday (1902)
* Sep 05 - Intelsat 37E/BSAT 4A Ariane 5 Launch
Sep 05 - Neptune At Opposition
Sep 05 - Comet C/2017 E4 (Lovejoy) Closest Approach To Earth (2.293 AU)
Sep 05 - Comet 3D/Biela Closest Approach To Earth (2.824 AU)
* Sep 05 - Apollo Asteroid 2017 QO Near-Earth Flyby (0.087 AU)
Sep 05 - Apollo Asteroid 5786 Talos Closest Approach To Earth (0.956 AU)
Sep 05 - Asteroid 1095 Tulipa Closest Approach To Earth (2.085 AU)
Sep 05 - 40th Anniversary (1977), Voyager 1 Launch
* Sep 06 - VRSS 2 (Antonio José de Sucre) CZ-2D Launch
Sep 06 - Moon Occults Neptune
Sep 06 - Comet P/2016 J1-A (PANSTARRS) Closest Approach To Earth (2.181 AU)
Sep 06 - Comet P/2016 J1-B (PANSTARRS) Closest Approach To Earth (2.181 AU)
Sep 06 - Comet C/2016 T3 (PANSTARRS) Perihelion (2.650 AU)
Sep 06 - Comet C/2016 P4 (PANSTARRS) At Opposition (5.330 AU)
Sep 06 - Asteroid 18125 Brianwilson Closest Approach To Earth (1.724 AU)
Sep 06 - Kuiper Belt Object 145452 (2005 RN43) At Opposition (39.622 AU)
Sep 06 - Edward Appleton's 125th Birthday (1892)
* Sep 07 - X-37B OTV-5 Falcon 9 Launch
Sep 07 - Comet 298P/Christensen At Opposition (3.936 AU)
* Sep 07 - Apollo Asteroid 2012 FH38 Near-Earth Flyby (0.072 AU)
Sep 07 - Asteroid 3259 Brownlee Closest Approach To Earth (2.533 AU)
Sep 07 - Centaur Object 37117 Narcissus At Opposition (3.561 AU)
Sep 07 - Kuiper Belt Object 2010 RF43 At Opposition (52.546 AU)
Sep 07 - 10th Anniversary (2007), Guadalajara Meteorite Fall (Hit House in Mexico)
Sep 08 - Comet 73P-AQ/Schwassmann-Wachmann Closest Approach To Earth (1.138 AU)
Sep 08 - Comet 14P/Wolf At Opposition (1.864 AU)
Sep 08 - Asteroid 727 Nipponia Closest Approach To Earth (1.429 AU)
Sep 08 - Asteroid 3594 Scotti Closest Approach To Earth (1.597 AU)
Sep 08 - Asteroid 270553 Loureed Closest Approach To Earth (1.739 AU)
Sep 08 - Asteroid 296907 Alexander Closest Approach To Earth (1.919 AU)
Sep 08 - 25th Anniversary (1992), Geotail, Moon Flyby
Sep 08 - 50th Anniversary (1967), Surveyor 5 Launch (Moon Lander)
Sep 08 - Arthur Wahl's 100th Birthday (1917)
Sep 08 - Hans Fichtner's 100th Birthday (1917)
* Sep 09 - Amazonas 5 Proton-M/Briz-M
Sep 09 - Cassini, Distant Flyby of Daphnis, Atlas & Prometheus
Sep 09 - Comet 73P-AR/Schwassmann-Wachmann Closest Approach To Earth (1.150 AU)
Sep 09 - Comet 73P-AG/Schwassmann-Wachmann Closest Approach To Earth (1.152 AU)
Sep 09 - Comet C/2014 B1 (Schwartz) Perihelion (9.558 AU)
Sep 09 - Asteroid 6925 Susumu Occults HIP 21673 (5.1 Magnitude Star)
Sep 09 - Asteroid 904 Rockefellia Occults HIP 30602 (6.4 Magnitude Star)
Sep 09 - Apollo Asteroid 2015 FO124 Near-Earth Flyby (0.070 AU)
Sep 09 - Asteroid 19383 Rolling Stones Closest Approach To Earth (0.963 AU)
Sep 09 - Asteroid 876 Scott Closest Approach To Earth (1.674 AU)
Sep 09 - Asteroid 1604 Tombaugh Closest Approach To Earth (1.718 AU)
Sep 09 - 35th Anniversary (1982), Conestoga I Launch (1st Private Rocket)
Sep 09 - 125th Anniversary (1892), Edward Barnard's Discovery of Jupiter Moon Amalthea
Sep 09 - John Poynting's 165th Birthday (1852)
Sep 09 - 210th Anniversary (1807), Parisi's Discovery of The Great Comet of 1807
Sep 10 - Comet 73P-AP/Schwassmann-Wachmann Closest Approach To Earth (0.730 AU)
Sep 10 - Comet P/2013 EW90 (Tenagra) At Opposition (3.829 AU)
* Sep 10 - Amor Asteroid 2017 OP68 Near-Earth Flyby (0.051 AU)
Sep 10 - Asteroid 21619 Johnhopkins Closest Approach To Earth (1.388 AU)
Sep 10 - Asteroid 3124 Kansas Closest Approach To Earth (1.531 AU)
Sep 10 - Asteroid 8629 Chucklorre Closest Approach To Earth (1.629 AU)
Sep 10 - Asteroid 3728 IRAS Closest Approach To Earth (1.693 AU)
Sep 10 - Asteroid 8103 Fermi Closest Approach To Earth (1.985 AU)
Sep 10 - Arthur Compton's 125th Birthday (1892)
Sep 10 - James Keeler's 160th Birthday (1857)
* Sep 11 - NROL-42/Trumpet Atlas 5 Launch
Sep 11 - Cassini, Distant Flyby of Titan
Sep 11 - Apollo Asteroid 2014 RC Near-Earth Flyby (0.039 AU)
Sep 11 - Asteroid 7225 Huntress Closest Approach To Earth (1.622 AU)
Sep 11 - Asteroid 2653 Principia Closest Approach To Earth (1.623 AU)
Sep 11 - 20th Anniversary (1997), Mars Global Surveyor, Mars Orbit Insertion
Sep 11 - Robert Crippen's 80th Birthday (1937)
Sep 11 - James Jeans' 140th Birthday (1877)
Sep 12 - Mercury At Its Greatest Western Elongation (18 Degrees)
Sep 12 - Moon Occults Aldebaran
Sep 12 - Comet 73P-P/Schwassmann-Wachmann Closest Approach To Earth (1.198 AU)
Sep 12 - Comet 14P/Wolf Closest Approach To Earth (1.862 AU)
Sep 12 - Comet 240P/NEAT At Opposition (1.923 AU)
Sep 12 - Comet 49P/Arend-Rigaux Closest Approach To Earth (2.216 AU)
Sep 12 - Comet 59P/Kearns-Kwee At Opposition (2.505 AU)
Sep 12 - 25th Anniversary (1992), STS-47 Launch (Space Shuttle Endeavour, Spacelab-J)
Sep 12 - 25th Anniversary (1992), 1st African-American Woman in Space (Mae Jemison)
Sep 12 - 55th Anniversary (1962), John F. Kennedy's Moon Speech
Sep 12 - Robert Farquhar's 85th Birthday (1932)
Sep 13 - Soyuz MS-6 Soyuz-FG Launch (International Space Station 52S)
Sep 13 - Comet P/2008 T4 (Hill) Closest Approach To Earth (2.101 AU)
Sep 13 - Comet 239P/LINEAR At Opposition (3.321 AU)
Sep 13 - Asteroid 39566 Carllewis Closest Approach To Earth (0.827 AU)
Sep 13 - Asteroid 11020 Orwell Closest Approach To Earth (1.848 AU)
Sep 13 - 10th Anniversary (2007), Kaguya (Selene 1) Launch (Japan Moon Orbiter)
Sep 13 - Horace Babcock's 105th Birthday (1912)
Sep 14 - Apollo Asteroid 310560 (2001 QL142) Near-Earth Flyby (0.058 AU)
Sep 14 - Asteroid 6032 Nobel Closest Approach To Earth (0.869 AU)
Sep 14 - Asteroid 14764 Kilauea Closest Approach To Earth (1.101 AU)
Sep 14 - Asteroid 28078 Mauricehilleman Closest Approach To Earth (1.134 AU)
Sep 15 - Xiaoxiang 2-5/Mini Hubble CZ-11 Launch
Sep 15 - Cassini, Distant Flyby of Janus, Pan, Pandora & Epimetheus
Sep 15 - Cassini, Saturn Impact
Sep 15 - Comet 73P-AC/Schwassmann-Wachmann Closest Approach To Earth (1.251 AU)
Sep 15 - Comet P/2016 J1-A (PANSTARRS) At Opposition (2.192 AU)
Sep 15 - Comet P/2016 J1-B (PANSTARRS) At Opposition (2.192 AU)
Sep 15 - Comet 100P/Hartley At Opposition (2.874 AU)
Sep 15 - Asteroid 6030 Zolensky Closest Approach To Earth (1.966 AU)
Sep 15 - Asteroid 16522 Tell Closest Approach To Earth (2.088 AU)
Sep 15 - 10th Anniversary (2007), Carancas Meteorite Fall in Peru (Created Crater)
Sep 16 - International Day for the Preservation of the Ozone Layer
Sep 16 - Mercury Passes 0.05 Degrees from Mars
Sep 16 - Comet P/2010 H2 (Vales) Perihelion (3.097 AU)
Sep 16 - Aten Asteroid 2014 RX22 Near-Earth Flyby (0.080 AU)
Sep 17 - Amor Asteroid 7336 Saunders Closest Approach To Earth (0.232 AU)
Sep 17 - Asteroid 18458 Caesar Closest Approach To Earth (1.534 AU)
Sep 17 - Asteroid 449 Hamburga Closest Approach To Earth (1.863 AU)
Sep 17 - Asteroid 15614 Pillinger Closest Approach To Earth (1.910 AU)
Sep 17 - 20th Anniversary (1997), Galileo, Callisto 10 Flyby
Sep 17 - Petr Pravec's 50th Birthday (1967)
Sep 17 - Konstantin Tsiolkovsky's 160th Birthday (1857)
Sep 18 - Moon Occults Venus
Sep 18 - Moon Occults Mercury
Sep 18 - Moon Occults Mars
Sep 18 - Moon Occults Regulus
Sep 18 - Comet 60P/Tsuchinshan At Opposition (2.766 AU)
Sep 18 - Asteroid 3917 Franz Schubert Closest Approach To Earth (1.346 AU)
Sep 18 - Asteroid 19204 Joshuatree Closest Approach To Earth (1.524 AU)
Sep 18 - Asteroid 73079 Davidbaltimore Closest Approach To Earth (1.530 AU)
Sep 18 - Asteroid 9523 Torino Closest Approach To Earth (1.763 AU)
Sep 18 - Asteroid 2688 Halley Closest Approach To Earth (2.009 AU)
Sep 18 - Asteroid 15417 Babylon Closest Approach To Earth (2.918 AU)
Sep 18 - Edwin McMillan's 110th Birthday (1907)
Sep 18 - Adrien-Marie Legendre's 265th Birthday (1752)
Sep 19 - Comet 5D/Brorsen Perihelion (0.529 AU)
Sep 19 - Comet 95P/Chiron At Opposition (17.579 AU)
Sep 19 - Asteroid 4444 Escher Closest Approach To Earth (1.141 AU)
Sep 19 - Asteroid 3763 Quianxuesen Closest Approach To Earth (1.477 AU)
Sep 19 - Asteroid 12790 Cernan Closest Approach To Earth (1.484 AU)
Sep 19 - Asteroid 4037 Ikeya Closest Approach To Earth (1.746 AU)
Sep 19 - Yoshio Kushida's 60th Birthday (1957)
Sep 19 - Guy Consolmagno's 65th Birthday (1952)
Sep 20 - Comet C/2016 N4 (MASTER) Perihelion (3.228 AU)
Sep 20 - Apollo Asteroid 2008 CK70 Near-Earth Flyby (0.058 AU)
Sep 20 - Asteroid 1134 Kepler Closest Approach To Earth (0.504 AU)
Sep 20 - Asteroid 3341 Hartmann Closest Approach To Earth (1.335 AU)
Sep 20 - Asteroid 4148 McCartney Closest Approach To Earth (1.461 AU)
Sep 20 - Asteroid 31319 Vespucci Closest Approach To Earth (2.394 AU)
Sep 21 - Comet 73P-X/Schwassmann-Wachmann Closest Approach To Earth (1.375 AU)
Sep 21 - Comet 73P-L/Schwassmann-Wachmann Closest Approach To Earth (1.379 AU)
Sep 21 - Comet 73P-AN/Schwassmann-Wachmann Closest Approach To Earth (1.381 AU)
Sep 21 - Comet 73P-AH/Schwassmann-Wachmann Closest Approach To Earth (1.398 AU)
Sep 21 - Apollo Asteroid 2015 FC341 Near-Earth Flyby (0.082 AU)
Sep 21 - Atira Asteroid 434326 (2004 JG6) Closest Approach To Earth (0.696 AU)
Sep 21 - Atira Asteroid 164294 (2004 XZ130) Closest Approach To Earth (1.246 AU)
Sep 21 - Asteroid 8626 Melissarauch Closest Approach To Earth (2.031 AU)
Sep 21 - Asteroid 8624 Kaleycuoco Closest Approach To Earth (2.201 AU)
Sep 22 - Autumnal Equinox, 20:02 UT
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 - 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 - Asteroid 85185 Lederman Closest Approach To Earth (0.893 AU)
Sep 23 - Kuiper Belt Object 2010 RE64 At Opposition (51.283 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 (43.815 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 - 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 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 - Echostar 105/SES-11 Falcon 9 Launch
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 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 - Centaur Object 2015 JH1 At Opposition (4.699 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 - 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 - 55th Anniversary (1962), Alouette 1 Launch (Canada's 1st Satellite)
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 - Iridium Next 21-30 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 - 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 ?? - AsiaSat 9 Proton-M/Briz-M P4 Launch
Oct ?? - BeiDou-3 (M5 & M6) CZ-3C/YZ-1 Launch
Oct ?? - HYLAS-4/Al Yah-3 Ariane 5 Launch
* Oct ?? - Koreasat 5A (Mugungwha 5A) Falcon 9 Launch
Oct 01 - NROL-52/Quasar 21 Atlas 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 (0.930 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 - 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 - Comet 352P/Skiff At Opposition (1.695 AU)
Oct 04 - Aten Asteroid 2004 TD10 Near-Earth Flyby (0.085 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 - 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 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 - Sentinel 5P Rokot/Briz-KM Launch
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 - 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 - Joint Polar Satellite System 1 (JPSS 1)/Buccaneer RMM/MiRaTA/EagleSat/CP 7 (DAVE)/Fox 1B (RadFxSat)/MakerSat 0 Delta 2 Launch

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