Physics
Scientific paper
Jul 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979jgr....84.3944m&link_type=abstract
Journal of Geophysical Research, vol. 84, July 30, 1979, p. 3944-3950.
Physics
1
Data Acquisition, Geocentric Coordinates, Gravitational Constant, Range And Range Rate Tracking, Satellite Observation, Satellite-To-Satellite Tracking, Ats 6, Data Reduction, Error Analysis, Geos 3 Satellite, Mathematical Models, Orbital Mechanics, Satellite Orbits, Tracking Stations
Scientific paper
Range rate tracking of GEOS 3 through the ATS 6 satellite has been used, along with ground tracking of GEOS 3, to estimate the geocentric gravitational constant. Using multiple half-day arcs, a GM of 398,600.36 + or - 0.12 cu km/sec per sec was estimated using the GEM 10 gravity model, based on a speed of light of 299,792.458 km/s. Tracking station coordinates were simultaneously adjusted, leaving geopotential model error as the dominant error source. Base lines between the adjusted NASA laser sites show better than 15-cm agreement with multiple short arc GEOS 3 solutions.
Martin Chreston F.
Oh I. H.
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