Earth gravitational perturbation sensitivity and orbital inaccuracy for GEO-IK orbit

Details Earth gravitational perturbation sensitivity and orbital inaccuracy for GEO-IK orbit Earth gravitational perturbation sensitivity and orbital inaccuracy for GEO-IK orbit

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986baicz..37...84k&link_type=abstract

Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 37, March 1986, p. 84-90.

Astronomy and Astrophysics

Astronomy

3

Celestial Geodesy, Earth Gravitation, Geopotential, Gravitational Effects, Intercosmos Satellites, Orbit Perturbation, Satellite Perturbation, Error Analysis, Harmonics, Orbital Elements, Orbital Position Estimation

Scientific paper

The sensitivities of various alternatives of the orbit suggested for the GEO-IK satellite to perturbations of the earth's gravitational field, and the radial orbital inaccuracies, are studied as a function of errors in the harmonic coefficients of the geopotential. Results are obtained for the along-track, cross-track, and radial-track component perturbations using Kaula's (1966) analytical first-order theory. It is concluded that, even with recent accurate earth gravity field models, the inaccuracy in the semimajor axis often exceeds the 0.1 m limit.

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