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Geographos
Geographos Asteroid 1620, a member of the Apollo group, discovered by R. L. B.Minkowski and the American astronomer Albert George Wilson (1918– ) in 1951 but not seen again until 1969. It is of S class. Radar observations show that Geographos is one of the most highly elongated objects in the Solar System, 5.1 × 1.8 km, probably a splinter from a larger body. Its orbit has a semimajor axis of 1.245 AU, period 1.39 years, perihelion 0.83 AU, aphelion 1.66 AU, and inclination 13°.3.
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"Geographos." A Dictionary of Astronomy. 1997. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>. "Geographos." A Dictionary of Astronomy. 1997. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O80-Geographos.html "Geographos." A Dictionary of Astronomy. 1997. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O80-Geographos.html |
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Geographos
Geographos A solar system asteroid (No. 1620), diameter 2 km; approximate mass 4 × 1012 kg; rotational period 5.222 hours; orbital period 1.39 years. It was to have been visited by the Clementine spacecraft, but a computer malfunction ended the mission.
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AILSA ALLABY and MICHAEL ALLABY. "Geographos." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "Geographos." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O13-Geographos.html AILSA ALLABY and MICHAEL ALLABY. "Geographos." A Dictionary of Earth Sciences. 1999. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Geographos.html |
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