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基于双椭球模型的双星系统稳定性研究

Research on a Potential Stability Form of Doubly Synchronous Binary System Based on Triaxial Ellipsoids Model

  • 摘要: 太阳系中存在着数量众多的双星系统。研究双星系统对于认识小行星的起源和演化有着重要意义。本文以双椭球模型,使用Joshua推导的四阶精度相互势,对双互锁双星系统进行研究。并通过KTC定理证明其稳定性。研究结果验证了卫星和主星存在相对滚转角速度是双互锁系统的一种可能的绕转方式。

     

    Abstract: There are numerous binary systems in solar system. The research on binary systems is important for understanding the origin and evolution of asteroids. A two-triaxial-ellipsoid system is used to model the binary asteroids. Combining with Joshua's research in fourth-order mutual gravitational torque of two bodies, the stability of the binary system is proved by KTC theorem. Thus, the results verify a potential form of the doubly synchronous binary asteroids system where there is a roll angular velocity between the primary and moonlet.

     

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