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271 Penthesilea : ウィキペディア英語版 | 271 Penthesilea
271 Penthesilea is a large main belt asteroid that was discovered by Viktor Knorre on October 13, 1887 in Berlin. It was his last asteroid discovery. The asteroid was named after Penthesilea, the mythical Greek queen of the Amazons.〔 Photometric observations of this asteroid were made in early 2009 at the Organ Mesa Observatory in Las Cruces, New Mexico. The resulting light curve shows a synodic rotation period of 18.787 ± 0.001 hours with a brightness variation of 0.32 ± 0.04 in magnitude.〔 ==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「271 Penthesilea」の詳細全文を読む
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