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An Improved 360 Degree and Order Model of Venus TopographyWe present an improved 360 degree and order spherical harmonic solution for Venus' topography. The new model uses the most recent set of Venus altimetry data with spacecraft positions derived from a recent high resolution gravity model. Geometric analysis indicates that the offset between the center of mass and center of figure of Venus is about 10 times smaller than that for the Earth, the Moon, or Mars. Statistical analyses confirm that the RMS topography follows a power law over the central part of the spectrum. Compared to the previous topography model, the new model is more highly correlated with Venus' harmonic gravity field.
Document ID
20020087613
Acquisition Source
Jet Propulsion Laboratory
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Rappaport, Nicole J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States)
Konopliv, Alex S.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States)
Kucinskas, Algis B.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States)
Ford, Peter G.
(Massachusetts Inst. of Tech. Cambridge, MA United States)
Date Acquired
August 20, 2013
Publication Date
January 1, 1999
Publication Information
Publication: Icarus
Publisher: Academic Press
Volume: 139
ISSN: 0019-1035
Subject Category
Lunar And Planetary Science And Exploration
Funding Number(s)
CONTRACT_GRANT: NAG5-4047
PROJECT: RTOP 344-30-53-02
CONTRACT_GRANT: JPL-960510
Distribution Limits
Public
Copyright
Other

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