Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984asdy.confq....c&link_type=abstract
American Institute of Aeronautics and Astronautics and American Astronautical Society, Astrodynamics Conference, Seattle, WA, Au
Astronomy and Astrophysics
Astronomy
Aerodynamic Drag, Atmospheric Models, Mars Atmosphere, Orbit Perturbation, Satellite Lifetime, Satellite Orbits, Annual Variations, Atmospheric Density, Atmospheric Temperature, Drag Reduction, Dust Storms, Long Term Effects, Low Altitude, Orbital Position Estimation, Satellite Drag, Solar Activity Effects
Scientific paper
A mathematical model of the time-dependent Martian atmosphere has been developed in order to accurately calculate the effects of aerodynamic drag on a low altitude satellite. The time-dependent properties of the model include solar activity effects, dust storm effects, seasonal and diurnal variations, and annual motion effects. Position effects are accounted for through Martian latitude and longitude. Expected values of mass density, temperature, scale height, and the estimated standard deviation of the mass density are provided. An example of the use of the model in selecting an orbit for the Mars Geochemical/Climatology Orbiter is given.
Chow Carson C.
Culp Robert D.
Stewart Iain A.
Uphoff Chauncey
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