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620 Drakonia : ウィキペディア英語版 | 620 Drakonia
620 Drakonia is a minor planet orbiting the Sun. It was discovered October 26, 1906 in Taunton, Massachusetts by American astronomer Joel Hastings Metcalf and given the preliminary designation 1906 WE. It may have been named for Drake University.〔 Photometric observations at the Palmer Divide Observatory in Colorado Springs, Colorado in 2001 were used to build a light curve for this object. The asteroid displayed a rotation period of 5.49 ± 0.01 hours and a brightness variation of 0.56 ± 0.02 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「620 Drakonia」の詳細全文を読む
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