左向稳定流形（The branch of the EML2 Halo orbit stable manifold that extends toward the Moon. Unlike the right-pointing manifold which extends away from the Moon, the left-pointing stable manifold asymptotically approaches the Halo orbit in backward integration and moves along the Earth-Moon line toward the lunar side in forward integration, eventually reaching the Moon's vicinity. It is the key orbital structure for low-energy transfers from lunar orbit to EML2 Halo orbit.）

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定义

EML2点Halo轨道稳定流形中向月球方向延伸的分支。与右向流形延伸至远离月球的方向不同，左向稳定流形在反向时间积分下逐渐趋近Halo轨道，在正向时间积分下沿地月连线月球一侧运动，最终可到达月球附近。左向稳定流形是从环月轨道到EML2 Halo轨道低能转移的关键轨道结构。

该概念在地月空间研究和任务设计中具有重要应用价值，涉及轨道设计、导航控制或任务规划等多个方面。