Research results from analysis of satellite orbits

Details Research results from analysis of satellite orbits Research results from analysis of satellite orbits

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981esasp.160....3k&link_type=abstract

In ESA Spacecraft Flight Dyn. p 3-11 (SEE N82-14123 05-12)

Other

Atmospheric Density, Gravitational Fields, Orbit Perturbation, Satellite Orbits, Upper Atmosphere, Harmonic Oscillation, Periodic Variations, Rotating Fluids, Rotation, Scale Height, Solar Activity Effects, Zonal Harmonics

Scientific paper

The analysis of changes in satellite orbits caused by aerodynamic and gravitational forces as a tool to investigate the upper atmosphere and Earth gravitational field is assessed. While the technique is limited, being incapable of measuring rapid changes density or distinguishing between species of gases, it remains the best way of tracing long term variations in air density, particularly semiannual variations and changes during a solar cycle. Other uses include the provision of scale height for atmospheric models, information on rotation rate of the upper atmosphere, evaluation of zonal harmonics for gravitation studies, and lumped harmonic values for gravity field models.

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