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木卫二十三

木卫二十三又称为“卡吕刻”(S/2000 J 2, Kalyke),是环绕木星运行的一颗逆行不规则卫星。是在2000年由斯科特·谢帕德带领的天文小组于夏威夷大学发现,并给它一个临时编号S/2000 J 2[1][2] 之后木卫二十三在2002年10月才以希腊神话中的王后卡吕刻(Kalyke)命名,而祂是埃特利俄斯(Aithlios)之妻。[3] 以木卫二十三的轨道特性来分类的话,会被归类为加尔尼群加尔尼群是一群木星的卫星离木星23000000公里到24000000公里之间)。轨道倾斜165°左右,而木卫二十三符合这些特性。 木卫二十三是一个半径约2.6公里的卫星,距离木星23,583,000公里,平均密度2.6g/cm3公转木星一圈需要742.98个地球日离心率0.2453,轨道倾角165.198°,反射率0.04,光度21.8。[4]

参见

参考文献

  1. ^ IAUC 7555: Satellites of Jupiter 互联网档案馆存档,存档日期2002-09-16. 2001-01-05 (discovery)
  2. ^ MPEC 2001-A28: S/2000 J 2, S/2000 J 3, S/2000 J 4, S/2000 J 5, S/2000 J 6页面存档备份,存于互联网档案馆) 2001-01-05 (discovery and ephemeris)
  3. ^ IAUC 7998: Satellites of Jupiter[永久失效链接] 2002-10-22 (naming the moon)
  4. ^ 存档副本. [2008-03-16]. (原始内容存档于2008-03-25). 
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木卫二十三
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