Stability and control problems in Earth-Moon Lagrangian point L2.

Details Stability and control problems in Earth-Moon Lagrangian point L2. Stability and control problems in Earth-Moon Lagrangian point L2.

Nov 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995jbis...47..497p&link_type=abstract

Journal of the British Interplanetary Society, Vol. 47, No. 11, p. 497 - 504

Physics

Libration Points: Earth-Moon System

Scientific paper

The use of periodic trajectories around L2 Lagrangian point for lunar operations has been proposed by many authors. The present paper describes the dynamics in L2 and the periodic orbits around L2 (halo orbits). It discusses the possibility of the orbital control, with a perticular reference to the control laws based on the observation of the position and velocity of the spacecraft in the Earth-Moon direction. Some numerical simulations are presented to verify the dynamics of the satellite in presence of the perturbations, not accounted for in a simplified analytical approach. The possibility of controlling the satellite with a station-keeping procedure, similar to that used for geostatioinary setellites, is verified.

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