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运用解析和数值计算两种方法,分析了各种摄动源对地球静止轨道(GEO)卫星弃置轨道近地点高度变化的影响,得到了近地点高度的变化规律。利用二阶日月引力摄动可造成GEO卫星弃置轨道近地点升高的特点,提出新的卫星离轨策略,在不满足机构间空间碎片协调委员会(IADC)“空间碎片减缓指南”中,GEO卫星弃置轨道偏心率小于0.003要求的情况下,还可以保证卫星不再进入GEO保护区域。
The influence of various perturbation sources on the height change of the abandoned orbit of the geostationary orbit (GEO) satellite was analyzed by means of analytical and numerical methods. The variation of perigee height was obtained. Based on the fact that the second-order gravitation perturbation can lead to the elevation of the GEO satellite near-Earth orbit, a new satellite de-orbit strategy is proposed. In the case of not meeting the IADC Guidelines for Space Debris Mitigation, GEO satellite orbit eccentricity less than 0.003 requirements, but also can ensure that the satellite is no longer into the GEO protected areas.