Low-thrust maneuvers near the libration points

Details Low-thrust maneuvers near the libration points Low-thrust maneuvers near the libration points

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979jgc.....2..119m&link_type=abstract

Journal of Guidance and Control, vol. 2, Mar.-Apr. 1979, p. 119-122.

Physics

Earth-Moon Trajectories, Fuel Consumption, Libration, Low Thrust Propulsion, Spacecraft Maneuvers, Trajectory Optimization, Acceleration (Physics), Coriolis Effect, Differential Equations, Equations Of Motion, Orbital Maneuvers, Spacecraft Propulsion

Scientific paper

The problem of the minimum-propellant optimal maneuver of a spacecraft equipped with a low-thrust propulsion system near the libration points of the earth-moon system is considered. Approximate analytical expressions involving the neglecting of Coriolis forces are obtained for the variational problem. For descent from orbits at the libration points or for approaching the libration points from neighboring points, the problem is similar to that of orbital rendezvous. Numerical examples show that for maneuver durations greater than or equal to 100,000 sec (compatible with the low-thrust assumption), the value of the acceleration due to thrust falls within the allowable limits.

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