Abstract China’s Chang’E-4 (CE-4) probe has started its exploration on the far side of the Moon thanks to the relay satellite---Queqiao---which is around the Earth-Moon collinear libration point and provides continuous communication links between the lander and ground stations. The triangular libration points of the Earth-Moon system, and , have long been considered as potential locations for future space applications. As a possible extension of Queqiao or other future missions around , the work presented here contributes to constructing transfers from the collinear libration point () to the triangular libration points. Taking the point as an example, two types of two-maneuver transfers from a planar Lyapunov orbit around to the periodic orbit around are investigated in the planar Earth-Moon system and compared with each other, including the type-I transfer utilizing invariant manifolds along with powered lunar gravity assist and the type-II transfer using the Jacobi integral. Our studies indicate that type-I transfer saves more cost than type-II transfer. For the cases studied by us, the minimum cost is about 0.1636 km/s for type-I transfer, with a corresponding transfer time of 169.84 days. For type-II transfer and the cases studied by us, the corresponding values are 0.4745 km/s and 137.19 days. At the end of the paper, the type-I transfer is generalized (with some modifications) to the ephemeris model and some example transfer trajectories are given. Although only the transfer from to is studied in this paper, the same orbit design strategy can be generalized to the transfer to the triangular libration point , and the transfers from the collinear libration point to triangular libration points.
Two-maneuver transfers from the collinear L 2 point to the triangular L 4 point in the planar Earth-Moon system
Advances in Space Research ; 65 , 12 ; 2878-2893
2020-03-20
16 pages
Article (Journal)
Electronic Resource
English
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