New ephemerides for the sun, moon, and planets

Details New ephemerides for the sun, moon, and planets New ephemerides for the sun, moon, and planets

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...128..124f&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 128, no. 1, Nov. 1983, p. 124-139. In French.

Astronomy and Astrophysics

Astrophysics

13

Celestial Mechanics, Planet Ephemerides, Solar System, Computer Programs, Moon, Nutation, Planets, Precession, Sun

Scientific paper

From 1984 onwards, drastic changes will be made in the ephemerides published by the Bureau des Longitudes, in particular in Connaissance des Temps. Moreover, a system of automatic computation of ephemerides, called EPHAUT, will become available and will permit to elaborate any type of ephemeris. These changes occur at a time when new resolutions of the International Astronomical Union have to be applied and coincide with the achievement of entirely new analytical or semi-analytical theories developed at the Bureau des Longitudes. In order to appreciate the gain brought by the new ephemerides with respect to the old ones, the authors illustrate with a set of curves the differences, over the time period 1978 - 1984, between old and new ephemerides, when they are compared to the same external model: the numerical integration DE 200 - LE 200 of JPL.

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