Comparison of new nutation series with numerical integration

Details Comparison of new nutation series with numerical integration Comparison of new nutation series with numerical integration

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991cemda..52...45s&link_type=abstract

Celestial Mechanics and Dynamical Astronomy (ISSN 0923-2958), vol. 52, no. 1, 1991, p. 45-55.

Astronomy and Astrophysics

Astronomy

7

Earth Motion, Earth Rotation, Equations Of Motion, Numerical Integration, Nutation, Angular Momentum, Rigid Structures, Runge-Kutta Method

Scientific paper

The nutation for the rigid earth, both in the low and the high frequencies, is computed by numerical integration using the basic equations of Kinoshita (1977). The results are compared against the new tables of the nutation for the rigid earth model in Kinoshita and Souchay (1990). Very small long period residuals are obtained, with a discrepancy of 0.06 mas sin Omega in longitude, -0.04 mas cos Omega in obliquity, without out-of-phase components. The total short-period residuals do not exceed 0.1 mas in longitude, 0.06 mas in obliquity. The results support the validity of the new tables.

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