【摘要】 地球形状摄动对卫星编队飞行的相对运动有很大影响,会使卫星的相对轨道发生转动或漂移。该文推导了主、从星沿小偏心率轨道运行情况下的相对轨道的零J2摄动条件。如果编队卫星的交点周期和节线的进动速率相等,那么J2摄动对相对运动没有影响,卫星可长期保持编队飞行。在选取的主、从星轨道根数之差为小量的前提下,给出了零J2摄动的一阶近似条件的解析表达式。仿真结果表明,当编队卫星的相对运动满足零J2摄动的一阶近似条件时,卫星相对运动轨道构形的漂移明显减少。更多还原

【Abstract】 The earth’s non-spherical shape greatly affects the relative movement of satellites in formation flying. This shape perturbation makes the satellites rotate or drift in the forward direction. The J2 invariant perturbation conditions were developed to describe the relative movement of satellites in formation with small eccentricities. The results showed that the J2 perturbation can not affect the relative movement of satellites in formation when the satellites have equal orbital nodal periods and nodal precession rates; thus, the satellites can maintain their formation for a long time. The first order approximate expressions of the J2 invariant perturbation conditions were developed using small orbital elements for the satellites. The simulation results show that the first-order approximation of the J2 invariant perturbation conditions can effectively reduce the drift of the relative orbital configurations.更多还原