Computer Science – Numerical Analysis
Scientific paper
Jul 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994cemda..59..221l&link_type=abstract
Celestial Mechanics and Dynamical Astronomy (ISSN 0923-2958), vol. 59, no. 3, p. 221-235
Computer Science
Numerical Analysis
8
Artificial Satellites, Encke Method, Ephemerides, Numerical Analysis, Numerical Stability, Orbit Calculation, Orbit Perturbation, Satellite Orbits, Earth Gravitation, Gravitational Fields, Zonal Harmonics
Scientific paper
Numerical methods are usually used for the computation of ephemerides with perturbations for the precise orbital determination of an artificial satellite. But their numerical stability will be encountered in a long arc. In this case the use of improved Encke special perturbation methods has been suggested. The results of this paper show that Encke's method does indeed have a certain effectiveness, but cannot yet completely resolve the numerical stability. The more efficient method is to use the energy integral or its variational relation to control the growth of the along-track error in general numerical calculations so that stabilization can be achieved.
Liao Xin-hao
Liu Lin
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