A Hill Problem with Oblate Primaries and Effect of Oblateness on Hill Stability of Orbits

被引：28
|
作者：
V.V. Markellos
A.E. Roy
E.A. Perdios
C.N. Douskos
机构：
[1] University of Glasgow,Department of Physics and Astronomy
[2] University of Patras,Department of Engineering Sciences
来源：
Astrophysics and Space Science | 2001年 / 278卷 / 3期
关键词：
Equilibrium Point; Velocity Curve; Oblate Spheroid; Roche Lobe; Jacobi Constant;
D O I：
10.1023/A:1013191030728
中图分类号：
学科分类号：
摘要：
We introduce a new version of Hill's problem to include the effect of oblateness of the primaries, and briefly discuss its equilibrium points and zero velocity curves. As a first application we use this to study Hill stability of direct orbits around the small primary. This can be employed to study the stability of a planet's moon perturbed by an oblate Sun, or of a star's planet perturbed by a distant disk-shaped galaxy. Oblateness of the `Sun' is found to decrese the maximum distance of Hill stable direct `moon' orbits.
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收藏
页码：295 / 304
页数：9
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