Use of the DE200/LE200 ephemerides in satellite geodesy

Details Use of the DE200/LE200 ephemerides in satellite geodesy Use of the DE200/LE200 ephemerides in satellite geodesy

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986kfnt....2q..51a&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 2, Nov.-Dec. 1986, p. 51-55. In Russian.

Statistics

Computation

Astronomical Coordinates, Celestial Geodesy, Earth-Moon System, Ephemerides, Geocentric Coordinates, Satellite Orbits, Cartesian Coordinates, Chebyshev Approximation, Sun

Scientific paper

Consideration is given to the problem of computing the geocentric rectangular coordinates of the moon and sun on the basis of the DE200/LE200 ephemerides. For their direct calculation, it is proposed that the initial Chebyshev expansions of the coordinates of the moon, sun, and earth-moon system baricenter be transformed beforehand. The technique and practical applications of these transforms are described. For the solution of satellite geodesy problems, the present approach leads to a 15-20 percent acceleration of the computation process.

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