Orbit selection for a Mars geoscience/climatology orbiter

Details Orbit selection for a Mars geoscience/climatology orbiter Orbit selection for a Mars geoscience/climatology orbiter

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aiaa.meet.....u&link_type=abstract

American Institute of Aeronautics and Astronautics, Aerospace Sciences Meeting, 22nd, Reno, NV, Jan. 9-12, 1984. 7 p. NASA-suppo

Astronomy and Astrophysics

Astronomy

Circular Orbits, Mars Atmosphere, Mars Observer, Orbit Calculation, Planetology, Satellite Orbits, Aerodynamic Drag, Atmospheric Density, Dynamic Models, Mission Planning, Orbital Elements, Planetary Quarantine, Tradeoffs

Scientific paper

This paper is a presentation of recent work to provide orbit design and selection criteria for a close, nearly polar, nearly circular orbit of Mars. The main aspects of the work are the evaluation of atmospheric drag for altitude selection, the orbit evolution for variations in periapsis altitude, and the interactions of those factors with the science objectives of the MGCO mission. A dynamic model of the Mars atmosphere is available from parallel efforts and the latest estimates of the upper atmospheric density and its time history are incorporated into the analysis to provide a final orbit that satisfies planetary quarantine requirements.

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