Computer Science – Performance
Scientific paper
Aug 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992asdy.conf.1949h&link_type=abstract
IN: Astrodynamics 1991; Proceedings of the AAS/AIAA Astrodynamics Conference, Durango, CO, Aug. 19-22, 1991. Pt. 3 (A92-43251 18
Computer Science
Performance
Manned Mars Missions, Mission Planning, Parking Orbits, Planetary Orbits, Spacecraft Performance, Earth-Mars Trajectories, Landing Modules, Spacecraft Propulsion, Tradeoffs
Scientific paper
This paper discusses a systematic investigation of Mars parking orbits as they affect the mass of a piloted Mars spacecraft. This spacecraft consists of an orbiting vehicle, one or more lander vehicles, and the orbiting vehicle includes a crew module and a propulsion system used to escape from Mars. Vehicle concepts were applied to several orbit trajectory classes under consideration for piloted Mars missions. Elliptical orbits are preferred over circular orbits and that higher periapse altitudes are preferred over lower altitudes. A trade-off can be made between eccentricity and periapse altitude that maintains the same mass performance. This has implications for the arrival/departure strategy for the interplanetary spacecraft.
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