Determination of the gravitational coefficent of the earth from near-earth satellites

Details Determination of the gravitational coefficent of the earth from near-earth satellites Determination of the gravitational coefficent of the earth from near-earth satellites

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989georl..16..271r&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 16, April 1989, p. 271-274.

Physics

17

Earth Gravitation, Earth Orbital Environments, Geopotential, Lageos (Satellite), Satellite Orbits, Dynamic Models, Geocentric Coordinates, Orbit Calculation, Rangefinding, Satellite Altimetry

Scientific paper

Laser range, Doppler, and altimeter data collected from 14 near-earth satellites have been combined to determine the value of the geocentric gravitational coefficent (GM) of the earth. A long-arc solution using three years of laser range data to Lageos was used in a separate determination in which the effects of general relativity were invetigated. The value of GM (including the mass of the atmosphere) was determined to be 398600.4405 cu km/sq sec when all corrections for general relativity are taken into account. The uncertainty (1-sigma) in the value of GM is estimated to be 0.001 cu km/sq sec.

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