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地心轨道(英语:Geocentric orbit)是指绕地球旋转的物体的轨道,举例说:月球人造卫星的轨道。根据半径的不同,又分为近地轨道中地球轨道高地球轨道等。 1997年,美国国家航空航天局NASA)根据戈达德太空飞行中心的信息,目前在以地心为圆心的轨道上,共有2465颗人造卫星以及6216片太空垃圾[1],而过往曾有超过16,291件物件发放到地球的大气层,但现时已在返回地球途中烧毁[1]


  1. ^ 1.0 1.1 Satellite Situation Report, 1997. NASA Goddard Space Flight Center. 2000-02-01 [2006-09-10]. (原始内容存档于2006-08-23) (英语). 


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