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Determination of Precession and Nutation from Lunar Laser Ranging Analysis

Published online by Cambridge University Press:  30 March 2016

J.G. Williams ,
X.X. Newhall  and
J. O. Dickey
J.G. Williams
Affiliation:
Jet Propulsion LaboratoryCalifornia Institute of TechnologyPasadena CA 91109, USA
X.X. Newhall
Affiliation:
Jet Propulsion LaboratoryCalifornia Institute of TechnologyPasadena CA 91109, USA
J. O. Dickey
Affiliation:
Jet Propulsion LaboratoryCalifornia Institute of TechnologyPasadena CA 91109, USA

Abstract

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From the analysis of 24 yr of lunar laser ranges, the correction to the IAU luni-solar precession constant is found to be −3.2 ± 0.3 mas/yr for a total value of 50.3846˝/yr at J2000. The size of the 18.6 yr nutation of the pole needs to be increased by about 2 mas over the 1980 IAU theory.

Type
II. Joint Discussions
Information
Highlights of Astronomy , Volume 10: Highlights of Astronomy. As presented at the XXIInd General Assembly of the IAU, 1994 , 1995 , pp. 214 - 217
Copyright
Copyright © Kluwer 1995

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