返回轨道
Firstly free-return trajectories and hybrid trajectories are introduced briefly and analyzed qualitatively. Then an approach to design free-return trajectories satisfying certain constraints is proposed, with which a precise trajectory is calculated and can be treated as a nominal trajectory of the manned lunar landing mission.
对自由返回轨道与Hybrid轨道进行了概述与定性分析,提出了满足一定约束的自由返回轨道详细设计方法,计算获得的精确算例可作为载人登月任务标称轨道。
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