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The paper investigates the escape strategy using the unstable manifolds of the Sun-Earth L_2 halo orbit and lunar gravity assist. There are four cases of intersection of the manifold tubes associated ...with halo orbits and the orbit of the Moon. The four intersections have different V∞ with respect to the Moon. The corresponding lunar gravity assists can result in a range of escape trajectories, granting choices for the extended mission of halo orbits. In order to satisfy the lunar encounter requirements, the strategy and ΔV costs of phasing maneuvers are presented as well.続きを見る
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Mendeley出力
