The paper addresses the dynamical problem and question of technical feasibility associated with delivering a simple, semi-hard lander to one of the Galilean satellites, Ganymede. Emphasis is placed on the identification of a viable, not necessarily optimal, baseline trajectory and maneuver sequence. Simplicity is stressed in the lander's use of two fixed-impulse solid rockets for landing maneuvers. It is shown through an error analysis that navigation and maneuver execution errors can be compensated on the baseline descent trajectory by controlling just the thrust direction. Finally, specific subsystem capabilities needed on the lander to achieve a successful touchdown within a specific performance envelope are also identified.
A Ganymede lander mission
American Astronautical Society and American Institute of Aeronautics and Astronautics, Astrodynamics Specialist Conference ; 1979 ; Provincetown, MA
1979-06-01
Aufsatz (Konferenz)
Keine Angabe
Englisch
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