Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...117....3a&link_type=abstract
Astronomy and Astrophysics, vol. 117, no. 1, Jan. 1983, p. 3-8. Consiglio Nazionale delle Ricerche
Astronomy and Astrophysics
Astrophysics
31
Earth Albedo, Lageos (Satellite), Orbit Perturbation, Radiation Pressure, Satellite Orbits, Sunlight, Annual Variations, Atmospheric Effects, Numerical Integration, Reflected Waves
Scientific paper
Radiation pressure from sunlight reflected by the earth is considered as a possible source of unmodeled perturbations in the orbit of the LAGEOS satellite corresponding to along-track accelerations on the order of 10 to the -10th cm/sec. A model for the long-periodic albedo effects on orbital motion is presented which takes into account significant geographical and meteorological factors, including latitude and season. It is shown that the resulting perturbing force is similar both in amplitude and in frequency to the observed unmodeled long-period oscillations. A procedure for verifying the influence of earth albedo on the satellite involving model fitting, numerical integration and comparison of model parameters with albedo statistics is then outlined.
Anselmo Luciano
Farinella Paolo
Milani Andrea
Nobili Anna M.
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