Apollo asteroid

The Apollo asteroids are a group of near-Earth asteroids named after 1862 Apollo, the first asteroid of this group to be discovered. They have orbital semi-major axes greater than that of the Earth. Note, however, that some Apollos have eccentric orbits that cross the Earth's, 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 largest known Apollo asteroid is 1866 Sisyphus, with a diameter of about 10 km. Well-known Apollo asteroids include:\n\n{|\n!align="left"|Name !!align="left"|Year !!align="left"|Discoverer\n|-\n| 2004 AS₁ || 2004 || LINEAR\n|-\n| 1998 KY₂₆ || 1998 || Spacewatch\n|-\n| 1997 XR₂ || 1997 || LINEAR\n|-\n| 69230 Hermes || 1937 || Karl Reinmuth\n|-\n| (53319) 1999 JM₈ || 1999 || LINEAR\n|-\n| (52760) 1998 ML₁₄ || 1998 || LINEAR\n|-\n| (35396) 1997 XF₁₁ || 1997 || Spacewatch\n|-\n| (29075) 1950 DA || 1950 || Carl A. Wirtanen\n|-\n| 25143 Itokawa || 1998 || LINEAR\n|-\n| 6489 Golevka || 1991 || Eleanor F. Helin\n|-\n| 4769 Castalia || 1989 || Eleanor F. Helin\n|-\n| 4660 Nereus || 1982 || Eleanor F. Helin\n|-\n| 4581 Asclepius || 1989 || Henry E. Holt, Norman G. Thomas\n|-\n| 4486 Mithra || 1987 || Eric Elst, Vladimir Shkodrov\n|-\n| (4197) 1982 TA || 1982 || Eleanor F. Helin, Eugene Shoemaker\n|-\n| 4183 Cuno || 1959 || Cuno Hoffmeister\n|-\n| 4179 Toutatis || 1989 || Christian Pollas\n|-\n| 4015 Wilson-Harrington || 1979 || Eleanor F. Helin\n|-\n| 3200 Phaethon || 1983 || Simon Green, John K. Davies / IRAS\n|-\n| 2101 Adonis || 1936 || Eugène Joseph Delporte\n|-\n| 2063 Bacchus || 1977 || Charles T. Kowal\n|-\n| 1866 Sisyphus || 1972 || Paul Wild\n|-\n| 1862 Apollo || 1932 || Karl Reinmuth\n|-\n| 1685 Toro || 1948 || Carl A. Wirtanen\n|-\n| 1620 Geographos || 1951 || Albert George Wilson, Rudolph Minkowski \n|-\n| 1566 Icarus || 1949 || Walter Baade\n|}

External links

\n* List of Apollo minor planets Category:Asteroid groups and families\n\n