A Note on Dynamics About the Coherent Sun–Earth–Moon Collinear Libration Points
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Orbits about the Sun–Earth libration points are perturbed by the Moon, and orbits about the Earth–Moon libration points are perturbed by the Sun. We study both situations in the framework of a single, coherent model, the Hill restricted four-body problem. This model is presented in a Sun–Earth rotating reference frame to complement its earlier Earth–Moon frame formulation. We provide an overview of the planar quasi-periodic orbits that originate from the L1 and L2 Lyapunov periodic orbits in Hill’s problem and the circular restricted three-body problem. The role of resonances is also discussed.
KeywordsPeriodic Orbit Libration Point Lyapunov Orbit Orbit Family Collinear Libration Point
This work was supported by the Marie Curie Initial Training Network PITN-GA-2011-289240, AstroNet-II.