The principal problem of the motion of the moon - Comparison between two theories

Details The principal problem of the motion of the moon - Comparison between two theories The principal problem of the motion of the moon - Comparison between two theories

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....86..221c&link_type=abstract

Astronomy and Astrophysics, vol. 86, no. 1-2, June 1980, p. 221-224. In French.

Astronomy and Astrophysics

Astrophysics

5

Earth Orbits, Orbital Elements, Orbital Mechanics, Selenology, Theories, Moon, Motion, Theoretical Studies, Comparisons, Parameters, Orbits, Longitude, Latitude, Distance, Data, Analysis, Earth-Moon System

Scientific paper

A seminumerical theory of the main lunar motion problem is compared with a semianalytical one. In the seminumerical (Chapront-Touze, 1974, 1979), an iterative method is associated with an incremental one; the semianalytical is based on Lie transforms. The first theory seems to be more precise for the nominal solution and the second is more precise as far as orbital parameter derivatives are concerned. Differences are presented for longitude, latitude and distance; the quadratic mean values of the differences are 200 cm in longitude, 45 cm in latitude and 120 cm in distance.

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