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An asteroid in a Earth-like orbit

被引：16
|
作者：
Tancredi, G [1 ]
机构：
[1] Fac Ciencias, Dept Astron, Montevideo 11200, Uruguay
来源：
CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY | 1997年 / 69卷 / 1-2期
关键词：
asteroid; near Earth object;
D O I：
10.1023/A:1008378316299
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The dynamical evolution of an asteroid with orbital elements strikingly similar to the Earth is analysed. The object, 1991 VG, was discovered by the Spacewatch telescope during a particular encounter with the planet. 1991 VG experienced a temporary satellite capture by the Earth, a phenomena that is recurrent in its dynamical history. The possible origin of this puzzling object is discussed, including the suggestion that 1991 VG could be a piece of lunar ejecta after a great impact
引用
收藏
页码：119 / 132
页数：14
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