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Apollo asteroid

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Subject: Asteroid, Near-Earth object, 1972, List of minor-planet groups, 4769 Castalia, 4179 Toutatis, Apollo (disambiguation), Centaur (minor planet), (29075) 1950 DA, Astronomical object
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Apollo asteroid


The Apollo asteroids are a group of near-Earth asteroids named after 1862 Apollo, the first asteroid of this group which was discovered by Karl Wilhelm Reinmuth. They are Earth-crosser asteroids that have orbital semi-major axes greater than that of the Earth (> 1 AU) but perihelion distances less than the Earth's aphelion distance (q < 1.017 AU).[1] Some can get very close to the Earth, making them a potential threat to our planet (the closer their semi-major axis is to Earth's, the less eccentricity is needed for the orbits to cross). The February 15, 2013 Chelyabinsk meteor that exploded over the town of Chelyabinsk in the southern Urals region of Russia, injuring an estimated one thousand people, breaking windows and destroying buildings, is thought to have been of the Apollo class of asteroids.[2][3]

The largest known Apollo asteroid is 1866 Sisyphus, with a diameter of about 10 km.

Well-known Apollo asteroids include:

Name Year Discoverer
2013 RH74 2013 Catalina Sky Survey
2011 MD 2011 LINEAR
2010 AL30 2010 LINEAR
2009 WM1 2009 Catalina Sky Survey
2009 DD45 2009 Siding Spring Observatory, Australia
2008 TC3 2008 Catalina Sky Survey
2007 VK184 2007 Catalina Sky Survey
2007 TU24 2007 Catalina Sky Survey
2007 WD5 2007 Catalina Sky Survey
2006 FV35 2006 Spacewatch
2006 SU49 2006 Spacewatch
2005 YU55 2005 R. S. McMillan, Steward Observatory, Kitt Peak, USA
2005 WY55 2005
2004 XP14 2004 LINEAR
2004 AS1 2004 LINEAR
2002 TD66 2002 LINEAR
(137108) 1999 AN10 1999 LINEAR
1998 KY26 1998 Spacewatch
1997 XR2 1997 LINEAR
69230 Hermes 1937 Karl Reinmuth
(53319) 1999 JM8 1999 LINEAR
(52760) 1998 ML14 1998 LINEAR
(35396) 1997 XF11 1997 Spacewatch
25143 Itokawa 1998 LINEAR
1994 CC 1994 Spacewatch
(175706) 1996 FG3 1996 R. H. McNaught, Siding Spring Observatory, Australia
6489 Golevka 1991 Eleanor F. Helin
4769 Castalia 1989 Eleanor F. Helin
4660 Nereus 1982 Eleanor F. Helin
4581 Asclepius 1989 Henry E. Holt, Norman G. Thomas
4486 Mithra 1987 Eric Elst, Vladimir Shkodrov
(4197) 1982 TA 1982 Eleanor F. Helin, Eugene Shoemaker
4183 Cuno 1959 Cuno Hoffmeister
4179 Toutatis 1989 Christian Pollas
4015 Wilson-Harrington   1979 Eleanor F. Helin
3200 Phaethon 1983 Simon F. Green, John K.Davies / IRAS
2063 Bacchus 1977 Charles T. Kowal
1866 Sisyphus 1972 Paul Wild
1620 Geographos 1951 Albert George Wilson, Rudolph Minkowski
(29075) 1950 DA 1950 Carl A. Wirtanen
1566 Icarus 1949 Walter Baade
1685 Toro 1948 Carl A. Wirtanen
2101 Adonis 1936 Eugène Joseph Delporte
1862 Apollo 1932 Karl Reinmuth

See also

References

External links

  • List of Apollo minor planets

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