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Compression of ephemerides

descriptionPublicationkeyboard_double_arrow_right Article 01 Feb 1975Publisher:Springer Science and Business Media LLCJournal:Celestial Mechanics, volume 11, pages 53-58 (issn: 0008-8714, eissn: 1572-9478,

Authors: Andrée Deprit-Bartholomé; Walter Poplarchek; A. Deprit;

doi: 10.1007/bf01228735

Compression of ephemerides

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Abstract

An algorithm is proposed for generating sequences of Chebyshev series which are the best approximations of an astronomical ephemeris in the sense of Chebyshev over large intervals of time. The criterion for a polynomial approximation of a function to be the best polynomial approximation of the function is that the error function present certain rippling characteristics as described by Remez (1957). General features of the program in PL/1 are described.

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