Computer Science
Scientific paper
Apr 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990kfnt....6...24b&link_type=abstract
Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 6, Mar.-Apr. 1990, p. 24-32. In Russian.
Computer Science
Earth Gravitation, Geopotential, Gravitational Fields, Satellite Perturbation, Accuracy, Algorithms, Earth Orbits, Legendre Functions, Satellite Orbits
Scientific paper
An efficient algorithm has been developed for computing the earth's gravitational potential and its first order derivatives, which can be used in the construction of any satellite orbit, incuding polar orbits. The simple normalizing factors for the associated Legendre functions and the stable recursive relations of the algorithm result in a quadruple reduction in calculation time compared with Cunningham's algorithm. The proposed method permits the practical utilization of geopotential models of high degrees and orders when constructing satellite orbits with decimeter accuracy on computers of moderate efficiency.
Belikov M. V.
Taibatorov K. A.
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