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Testing alternate gravitational theories

Published online by Cambridge University Press:  06 January 2010

E. M. Standish
E. M. Standish*
Affiliation:
Caltech/JPL, retired 519 Birchbark Court Seneca, SC [email protected]
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Abstract

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The planetary ephemerides are used to examine different suggested forms of the gravitational equations of motion which could possibly cause the observed Pioneer Anomaly. It is shown that most of the forms would be unacceptable, including that generally assumed – a constant acceleration directed toward the Sun. The tests show that three other forms could not exist within 10 au's of the Sun. Only one suggested form would be compatible with the Pioneer Anomaly affecting Saturn or any other more inward planet. Additional planetary observations in the future may possibly eliminate this form also.

Keywords

Pioneer AnomalyPlanetary Ephemerides
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S261: Relativity in Fundamental Astronomy: Dynamics, Reference Frames, and Data Analysis , April 2009 , pp. 179 - 182
Copyright
Copyright © International Astronomical Union 2010

References

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