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Generalized solutions for relative spacecraft orbits under arbitrary perturbations

机译:任意扰动下相对航天器轨道的广义解

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This paper develops generalized analytic solutions of relative spacecraft dynamics in the presence of arbitrary perturbations and presents new perturbation-invariant relative orbits. The extension of existing results is achieved by using non-osculating orbital elements, i.e. removing the constraint that the instantaneous velocity vector be tangential to an instantaneous Keplerian ellipse. Generalized planetary equations are developed and averaged to yield a non-osculating description of the long-term effects of first-order small perturbations. The generalized planetary equations are linearized, and expressions for the relative dynamics are presented in terms of non-osculating classical orbital element differences. The developed methodology is utilized to find previously undetected J_2-invariant relative orbits.
机译:本文提出了在存在任意扰动的情况下相对航天器动力学的广义解析解,并提出了新的扰动不变的相对轨道。现有结果的扩展是通过使用非振荡轨道元素来实现的,即消除了瞬时速度矢量与瞬时开普勒椭圆相切的约束。对广义行星方程进行开发和求平均,以得到一阶小扰动的长期影响的非平稳描述。广义行星方程是线性化的,并且相对动力学的表达式是用非紧密经典轨道元素差表示的。利用已开发的方法来找到先前未检测到的J_2不变相对轨道。

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