APPLICATIONS OF TRAJECTORIES IN THE VICINITY OF SUN-EARTH L_3 FOR A SOLAR OBSERVATION MISSION

摘要

This research investigates the feasibility of the L_3 region of the Sun-Earth systemas the target for a solar observation mission that aims to observe the farside of the Sun as well as the higher (possibly polar) latitudes of the Sun. Agrid search of the L_3 region is performed to locate families of periodic orbits,and the most promising results are identified. The possibility of usingthree-body dynamics for a transfer trajectory is briefly considered. Furthermore,the applicability of three-body dynamics for this region is discussed aswell as the importance of other perturbations known to be present. Keeping thenature of the actual dynamics of this region in mind, the most interesting feasibleorbits for a solar observation mission are identified.