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Tidal perturbations on the satellite 1967-92A

By R. G. Williamson, J. G. Marsh and T. L. Felsentreger

Abstract

The orbit of the 1967-92A satellite was studied to ascertain the extent to which tidal forces contribute to orbital perturbations. Parameters describing the ocean tide potential-in particular for the M2 and S2 constituents-were estimated. Since the ocean tide potential is less well known than the solid Earth tide, the ocean tide parameter estimation is based upon the use of a value of 0.3 for the solid Earth tide Love number in the orbit determination procedure. These tidal parameter values are in good agreement with those appearing in numerical models of the M2 and S2 tides derived from surface data

Topics: ASTRODYNAMICS
Year: 1977
OAI identifier: oai:casi.ntrs.nasa.gov:19770014196

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