Precession expressions based on the development ephemeris

Details Precession expressions based on the development ephemeris Precession expressions based on the development ephemeris

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988sssmp..31..979z&link_type=abstract

Scientia Sinica, Series A - Mathematical, Physical, Astronomical and Technical Sciences (ISSN 0253-5831), vol. 31, Aug. 1988, p.

Statistics

Computation

Coordinate Transformations, Equinoxes, Orbital Mechanics, Planet Ephemerides, Precession, Computational Astrophysics, Ecliptic, Solar Orbits

Scientific paper

An equinox discrepancy caused by the coordinate transformation in the construction of the lunar and planetary ephemerides of the DE200/LE200 (1984) is discussed. It is found that the discrepancy is due to the inaccuracy of the planetary part in the adopted precession expressions. A new set of precession expressions are derived, based on the ecliptic fitted to DE 102 (Standish, 1982). Several changes for the IAU system of astronomical constants (1976) are proposed.

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