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来自维基百科,自由的百科全书
木衛五十三(Dia)即S/2000 J 11,是環繞木星運行的一顆衛星。它在2000年被由斯科特·謝潑德領導的夏威夷大學一個天文小組發現。[1][2]
木衛五十三的直徑約4公里,公轉軌道的平均半徑為12.555 Gm,公轉周期287日,軌道傾角28°,軌道離心率為0.248。[3]
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