A survey of weak stability boundaries in the Sun-Mars system

A survey of weak stability boundaries in the Sun-Mars system
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太阳-火星系统弱稳定边界的调查

DOI:
10.1088/1674-4527/15/3/007
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发表时间:
2015-02
影响因子:
1.8
通讯作者:
孙义燧
孙义燧
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
黎健;孙义燧

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我们调查的弱稳定性边界(WSB)的一个新的小学,火星,在平面圆形限制3-体问题的框架,也在平面双环限制4-体问题,包括由于木星的扰动。为了一个简单的稳定性/不稳定性的标准,我们的计算已经完成使用极坐标系中的运动方程。结果表明,火星周围的弱稳定集的相对大小远大于地月系统和太阳木星系统,而太阳火星系统的质量比要小得多。我们建议这种差异可以通过Hill半径来缩放。在靠近火星的区域的放大视图中,WSB的几何形状已被呈现为各种参数,并与以前的作品进行了比较。我们的结果还表明,木星的引力将强烈影响火星的稳定区,应该考虑到设计的弹道捕获轨道。
We investigate the weak stability boundary (WSB) for a new primary, Mars, in the framework of the planar circular restricted 3-body problem, and also in the planar bicircular restricted 4-body problem by including a perturbation due to Jupiter. For the sake of a simple stability/instability criterion, our computations have been done using the equations of motion in polar coordinates. It is found that the relative size of the weakly stable sets around Mars is much larger than that of the Earth-Moon and the Sun-Jupiter systems, as the mass ratio of the Sun-Mars system is significantly smaller. We propose that this difference could be scaled by the Hill radius. In an enlarged view of the domain close to Mars, the geometry of the WSB has been presented for various parameters and compared to previous works. Our results also show that Jupiter's gravitational force would strongly affect the Martian stable regions and should be taken into account to design a ballistic capture trajectory.
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发表时间: 2009-08
影响因子: 1.6
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