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木卫二十九

木卫二十九墨塞勒(S/2001 J 2Thyone/θˈn/thy-OH-nee;希腊语:Θυώνη),又名Jupiter XXIX,是木星的一颗逆行不規則衛星。由斯科特·谢泼德所領導的夏威夷大學研究小組於2000年發現。[1][2]

其直徑約為4公里,軌道平均半徑為21.406 Mm,軌道周期為639.803地球日,與黃道間的軌道傾角為147°(与木星赤道147°),運轉方向為逆行軌道離心率为0.2526。它的平均轨道速度是2.43 km/s。

它在2003年8月被命名为Thyone,指希腊神话狄俄倪索斯的母亲塞墨勒[3]

它是阿南刻衛星群中的成员,而阿南刻衛星群是一群環繞木星逆行不規則衛星,它們的軌道半長軸在19.3與22.7 Gm之間,且軌道傾角都在150°左右。

参考资料

[编辑]
  1. ^ IAUC 7900: Satellites of Jupiter[永久失效連結] 2002 May 16 (discovery)
  2. ^ MPEC 2002-J54: Eleven New Satellites of Jupiter页面存档备份,存于互联网档案馆) 2002 May (discovery and ephemeris)
  3. ^ IAUC 8177: Satellites of Jupiter, Saturn, Uranus 互联网档案馆存檔,存档日期2008-07-09. 2003 August (naming the moon)
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木卫二十九
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