Analyses of the solid earth and ocean tidal perturbations on the orbits of the Geos 1 and Geos 2 satellites

Details Analyses of the solid earth and ocean tidal perturbations on the orbits of the Geos 1 and Geos 2 satellites Analyses of the solid earth and ocean tidal perturbations on the orbits of the Geos 1 and Geos 2 satellites

May 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976jgr....81.2557f&link_type=abstract

Journal of Geophysical Research, vol. 81, May 10, 1976, p. 2557-2563.

Physics

1

Earth Tides, Orbit Perturbation, Orbital Elements, Satellite Observation, Satellite Orbits, Tidal Waves, Aerodynamic Drag, Geos 1 Satellite, Geos 2 Satellite, Gravitational Effects, Harmonic Analysis, Radiation Pressure, Solar Radiation

Scientific paper

Perturbations in the inclination of the Geos 1 and Geos 2 satellite orbits have been analyzed for the solid earth and ocean tide contributions. Precision reduced camera and Tranet Doppler observations spanning periods of over 600 days for each satellite were used to derive mean orbital elements. Perturbations due to the earth's gravity field, solar radiation pressure, and atmospheric drag were modeled, and the resulting inclination residuals were analyzed for tidal effects. The amplitudes of the observed total tidal effects were about 1.2 arc sec (36 m) in the inclination of Geos 1 and 4.5 arc sec (135 m) for Geos 2. The solid earth tides were then modeled by using the Love number 0.30. The resulting inclination residuals were then analyzed for ocean tide spherical harmonic parameters.

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