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海王星内天体

海王星内天体Cis-Neptunian object),依照字面的解释是在海王星轨道之内发现的任何天体[1],但是,这个术语典型的是使用在海王星外天体、行星及其卫星和传统的小行星之外的天体:也就是说,围绕在太阳周围的次级行星天体,距离在海王星轨道之内,但在木星轨道之外的天体。这包括冰冻的小行星,也就是所谓的半人马小行星[2]海王星特洛伊.[3]

半人马小行星的绕行太阳轨道介于木星海王星之间,经常会穿越巨大的气体巨星轨道。令人有一种感觉[2]半人马小行星类似于古柏带黄道离散天体中被敲入,而非敲出至外的海王星外黄道离散天体。

海王星特洛伊,名称源自于木星的特洛伊小行星,是与海王星分享轨道的且轨道稳定的小天体[4]。已知的海王星特洛伊小行星都在海王星前方60°,围绕着L4 拉格朗日点

注解

  1. ^ 它们是2001 QR322, 2004 UP10, 2005 TN53, 2005 TO74, 2006 RJ103 and 2007 VL305.[3]

参考资料

  1. ^ Remo, John L. (2007). Classifying Solid Planetary Bodies. New trends in astrodynamics and applications III. AIP Conference Proceedings, Volume 886, pp. 284-302.
  2. ^ 2.0 2.1 J Horner, NW Evans, ME Bailey, DJ Asher. The Populations of Comet-like Bodies in the Solar System (PDF). 2003 [2007-06-29]. (原始内容 (PDF)存档于2013-06-01). 
  3. ^ 3.0 3.1 List Of Neptune Trojans. Minor Planet Center. [2008-05-08]. (原始内容存档于2008-05-11). 
  4. ^ Sheppard, Scott S.; Trujillo, Chadwick A. A Thick Cloud of Neptune Trojans and Their Colors (PDF). Science. June 2006, 313 (5786): 511–514 [2008-02-26]. PMID 16778021. doi:10.1126/science.1127173. (原始内容 (PDF)存档于2008-05-11). 


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海王星内天体
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