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911 Agamemnon : ウィキペディア英語版 | 911 Agamemnon
911 Agamemnon is a large trojan asteroid that orbits the Sun at the same distance as the planet Jupiter. It is located in the leading Lagrangian point . Based on IRAS data, Agamemnon is in diameter and is probably the 2nd largest Jupiter Trojan.〔 Recent observations of the asteroid's occultations characterize its shape〔 and are suggestive of Agamemnon to have a satellite.〔 It was discovered by Karl Wilhelm Reinmuth on March 19, 1919, in Heidelberg, Germany.〔 It is named after King Agamemnon, a main character of the Iliad. Photometric observations of this asteroid during 1997 were used to build a light curve showing a rotation period of 6.5819 ± 0.0007 hours with a brightness variation of 0.29 ± 0.01 magnitude. A 2009 study yielded a period of 6.592 ± 0.004, in reasonable agreement with the previous result.〔 == References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「911 Agamemnon」の詳細全文を読む
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