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622 Esther is a minor planet orbiting the Sun. In 2001, the asteroid was detected by radar from the Arecibo Observatory at a distance of 1.11 AU. The resulting data yielded an effective diameter of .〔 ==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「622 Esther」の詳細全文を読む スポンサード リンク
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