Statistics – Applications
Scientific paper
May 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978fmet.symp....1p&link_type=abstract
In NASA. Goddard Space Flight Center Flight Mechanics/Estimation Theory Symp. p 1-17 (SEE N79-14121 05-13)
Statistics
Applications
Chebyshev Approximation, Orbital Mechanics, Planet Ephemerides, Satellite Orbits, Computer Techniques, Fortran, Orbit Calculation, Polynomials
Scientific paper
The use of Chebyshev series in representing the ephemerides of satellites and planets in terms of truncated polynomial series is discussed. Emphasis is placed on a FORTRAN package which was developed for fitting satellite orbits. The features desired in any approximation are: (1) the ability to compress a satellite emphemeris; (2) the ability to represent a satellite ephemeris over several orbits; (3) guaranteed accuracy to within prescribed tolerance over the time interval of consideration; and (4) fast processing. These features are imposed with an eye towards adapting the approximation for use on microprocessor applications in which storage is limited and real time processing is required.
Deprit Andre
Pickard H. M.
Poplarchek W.
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