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Rotation Effects in the Nongravitational Parameters of Comets

Published online by Cambridge University Press:  14 August 2015

Z. Sekanina
Z. Sekanina*
Affiliation:
Smithsonian Astrophysical Observatory, Cambridge, Mass., U.S.A.

Abstract

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The effects of rotation of a cometary nucleus on the character of nongravitational parameters are discussed. It is suggested that the change of a nongravitational acceleration to deceleration (and vice versa) may be related to a precessional motion of the nucleus, or to secular variations in the lag angle coupled with severe orbital modifications.

Type
Part IV/Physical Processes in Comets
Information
Symposium - International Astronomical Union , Volume 45: The Motion, Evolution of Orbits and Origin of Comets , 1972 , pp. 294 - 300
Copyright
Copyright © Reidel 1972 

References

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