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(abstract) Venus Gravity Field

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dc.contributor.author Konopliv, A.S. en_US
dc.contributor.author Sjogren, W.L. en_US
dc.date.accessioned 2004-10-05T06:17:31Z
dc.date.available 2004-10-05T06:17:31Z
dc.date.issued 1995-04-03 en_US
dc.identifier.citation Hamburg, Germany en_US
dc.identifier.clearanceno 94-1413 en_US
dc.identifier.uri http://hdl.handle.net/2014/33504
dc.description.abstract A global gravity field model of Venus to degree and order 75 (5772 spherical harmonic coefficients) has been estimated from Doppler radio tracking of the orbiting spacecraft Pioneer Venus Orbiter (1979-1992) and Magellan (1990-1994). After the successful aerobraking of Magellan, a near circular polar orbit was attained and relatively uniform gravity field resolution (approximately 200 km) was obtained with formal uncertainties of a few milligals. Detailed gravity for several highland features are displayed as gravity contours overlaying colored topography. The positive correlation of typography with gravity is very high being unlike that of the Earth, Moon, and Mars. The amplitudes are Earth-like, but have significantly different gravity-topography ratios for different features. Global gravity, geoid, and isostatic anomaly maps as well as the admittance function are displayed. en_US
dc.format.extent 16204 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject.other Venus gravity field model gravity-topography ratios Earth Magellan gravity contours Pioneer Venus Orbiter radio tracking topography en_US
dc.title (abstract) Venus Gravity Field en_US


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