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Dynamics of an Artificial Satellite in an Earth-Fixed Reference Frame: Effects of Polar Motions

Published online by Cambridge University Press:  12 April 2016

P. Farinella ,
A. Milani ,
A.M. Nobili  and
F. Sacerdote
P. Farinella
Affiliation:
Observatorio Astronomico di Brera, Merate (Como), Italy
A. Milani
Affiliation:
Istituto di Matematica “L. Tonelli”, Università di Pisa, Italy
A.M. Nobili
Affiliation:
Istituto di Scienze dell’Informazione, Università di Pisa, Italy
F. Sacerdote
Affiliation:
Istituto di Matematiche Applicate “U. Dini”, Università di Pisa, Italy

Abstract

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In an Earth-fixed reference frame, polar motions (precession, lunisolar nutation, free nutation) introduce small apparent forces in the equations of motion of an Earth satellite. We discuss the possibilities (a) of integrating the orbit in an Earth-fixed frame when tracking data are used for geophysical applications, and (b) of determining from orbital data a set of unknown parameters describing the long-period wandering of the pole.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 56: Reference Coordinate Systems for Earth Dynamics , August 1980 , pp. 271 - 274
Copyright
Copyright © Reidel 1981

References

Bertotti, B., Bevilacqua, R., Farinella, P., Gianni, P., Milani, A. and Nobili, A.M.: 1980, “Geophysical LASSO - proposal to ESA”, Int.Rep. Observatorio Astronomico di Brera.Google Scholar
Kamel, A., Ekman, D. and Tibbitts, R.: 1973, Celest.Mech. 8 p. 129.Google Scholar
Serene, B. and Albertinoli, P.: 1980, ESA Journal 4, p. 59.Google Scholar