The detection of asteroids in near-Earth orbit and celestial bodies in the planetary belt has become one of the important contents of deep space exploration plan. This paper studies the orbital characteristics of probe targeting the asteroid(469219). The libration points (LP) of Earth-asteroid system are calculated, periodic Halo orbit near LP and the invariant manifold properties derived from the Halo orbit are defined by numerical solution and differential correction method. Also, a dynamic model with low-thrust is constructed in the planetary center coordinate system, and the influence of perturbation factors including earth's oblateness, atmospheric resistance, and sun-moon gravity is analyzed. Finally, the dynamic model is used to estimate the transfer trajectory for detecting the asteroid(469219). It provides a preliminary theoretical reference for the orbit design of celestial body detection mission.
Trajectory Design of Asteroid(469219) Probe with Low-thrust
2022-07-20
4790132 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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