Follow-up ephemerides and the accuracy of preliminary orbits

被引：4
|
作者：
Kristensen, LK [1 ]
机构：
[1] Aarhus Univ, Inst Phys & Astron, DK-8000 Aarhus C, Denmark
来源：
ICARUS | 2002年 / 159卷 / 02期
关键词：
asteroids; orbits; celestial mechanics; data reduction techniques; trans-Neptunian objects; population estimate;
D O I：
10.1006/icar.2002.6905
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The accuracy of follow-up ephemerides and orbits of asteroids based on a short arc is investigated. The geocentric distance and its time derivative are the essential parameters determining the accuracy of predicted positions. The consequences for the optimal observing strategies are discussed. The node and inclination of the orbital plane are restricted enough to be useful for a preliminary sorting of candidates for linking. (C) 2002 Elsevier Science (USA).
引用
收藏
页码：339 / 350
页数：12
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