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arXiv 1302.5599astro-ph.EP
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递阶三元系稳定性对轨道倾角的依赖性

The dependence of the stability of hierarchical triple systems on the orbital inclination

Nikolaos Georgakarakos

摘要:

本文用数值方法研究了初始相互轨道倾角对具有初始圆轨道的三阶系统稳定性的影响。我们的目的是调查的可能性,稳定性边界可能是独立的轨道倾角为一定的质量比。本文数值积分了具有初始圆轨道和不同轨道构型的三重系统的运动方程。质量比覆盖从0.000001到1000000的范围,并且初始相互倾斜角从0到180度变化。数值模拟的结果表明,对于初始轨道为圆轨道的三重系统,对于我们所采用的质量比,初始互倾角确实会影响稳定性边界。

英文摘要:

In this paper we study numerically the effect of the initial mutual orbital inclination on the stability of hierarchical triple systems with initially circular orbits. Our aim is to investigate the possibility that the stability boundary may be independent of the orbital inclination for certain mass ratios. We integrate numerically the equations of motion of hierarchical triple systems with initially circular orbits and different orbital configurations. The mass ratios cover the range from 0.000001 to 1000000 and the initial mutual inclination angle varies from 0 to 180 degrees. The results from the numerical simulations show that for hierarchical triple systems with initially circular orbits and for the mass ratios we used, the initial mutual inclination angle does affect the stability boundary.

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