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Linking the planetary ephemeris to the International Celestial Reference Frame

Published online by Cambridge University Press:  05 March 2015

W. M. Folkner  and
J. S. Border
W. M. Folkner*
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
J. S. Border
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
*
†e-mail: William.M.Folkner@jpl.nasa.gov
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Abstract

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The largest uncertainty in the ephemerides for the inner planets is in the orientation of the dynamical system to the celestial reference frame. A program of VLBI measurements of spacecraft in orbit about Venus and Mars has been performed to reduce the orientation uncertainty to 0.2 milliarcseconds.

Keywords

celestial mechanicsephemeridessolar system: general

Information

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Highlights H16: Highlights of Astronomy , August 2012 , pp. 219 - 220
Copyright
Copyright © International Astronomical Union 2015 

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