Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992asdy.confs....m&link_type=abstract
AIAA and AAS, Astrodynamics Conference, Hilton Head Island, SC, Aug. 10-12, 1992, 7 p.
Astronomy and Astrophysics
Astronomy
Orbiting Lunar Stations, Satellite Attitude Control, Satellite Surfaces, Spin Stabilization, Feasibility Analysis, Position Errors, Small Scientific Satellites
Scientific paper
The attitude dynamics of the LUNAR-A penetrator is studied with emphasis on the impact point attitude. Three penetrators of the LUNAR-A project will be deployed from the carrier around the moon onto three different satellite surfaces to constitute a global coverage of the scientific observation. Two different system configurations are designed to attain the mission goal: simply spin-stabilized and spin-stabilized with a rhumb line control which is to change the direction of the angular momentum vector of the module. Since both are basically passively spin stabilized after released from their spacecraft, attitude and orbit pertubations caused during their journey to the satellite's surface may lead to undesirable attack angle at the final stage resulting in failure in proper impact. The study estimates the levels of the contributions of error sources considered to the attack angle through a dynamical analysis and reveals the system feasibility.
Hinada Motoki
Kawaguchi Jun'ichiro
Morita Yasuhiro
Naide T.
Nakajima Tatsuya
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