Other
Scientific paper
Jan 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987p%26ss...35...79k&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 35, Jan. 1987, p. 79-90.
Other
6
Geopotential, Harmonics, Orbital Resonances (Celestial Mechanics), Satellite Orbits, Accuracy, Altimeters, Geoids, Resonance, Topex
Scientific paper
The recent accurate analysis of the satellite 1965-14A at 15th-order resonance has allowed significantly improved solutions to be derived for the individual harmonic coefficients in the geopotential of orders 15 and 30. For order 15, coefficients of degrees 15-36 have been evaluated; for degrees 15-23, the mean accuracy is equivalent to 0.6 cm in geoid height; but the accuracy is poorer for degrees 24-36, averaging 2.4 cm. For order 30, only the coefficients of even degrees from 30 to 40, have been evaluated. For degrees 30 and 32, the accuracy is equivalent to 1 cm in geoid height, but deteriorates to 2 cm for higher degrees. The accuracies for 15th order, though in need of improvement for high degree, are better than those available for any other order, and are already of the standard required for achieving in the 1990s the very difficult goal of a comprehensive geoid accurate to 10 cm.
King-Hele D. G.
Walker Doreen M. C.
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