Orbit determination strategy and results for the Pioneer Venus Orbiter mission

Details Orbit determination strategy and results for the Pioneer Venus Orbiter mission Orbit determination strategy and results for the Pioneer Venus Orbiter mission

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979aiaa.confs....j&link_type=abstract

American Astronautical Society and American Institute of Aeronautics and Astronautics, Astrodynamics Specialist Conference, Prov

Astronomy and Astrophysics

Astronomy

Elliptical Orbits, Mission Planning, Orbit Calculation, Graphs (Charts), Gravitational Effects, Orbital Mechanics, Pioneer Venus 1 Spacecraft, Spacecraft Maneuvers, Venus Atmosphere

Scientific paper

This paper examines the orbit of the Pioneer Venus Orbiter as determined from earth based radio data. The basic orbit determination strategy together with its associated accuracy is presented, and the effect of the changing earth-Venus geometry on that accuracy is discussed. Orbital evolution from insertion to the present time is described and related to the primary forces acting on the spacecraft as well as to the weekly periapsis altitude trim maneuvers. Lastly, the technique used for orbit prediction in the presence of the uncertain Venus atmosphere and gravity environment is discussed.

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