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Venus Gravity Handbook - Alexander Konopliv,National Aeronautics Administration,William Sjogren

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2014-10-26
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This report documents the Venus gravity methods and results to date (model MGNP90LSAAP). It contains many useful plots (such as geometry and orbit behavior) that are useful in evaluating the tracking data. We discuss the models that are used in processing the Doppler data and the estimation method for determining the gravity field. With Pioneer Venus Orbiter and Magellan tracking data, the Venus gravity fie ... Täielik kirjeldus

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This report documents the Venus gravity methods and results to date (model MGNP90LSAAP). It contains many useful plots (such as geometry and orbit behavior) that are useful in evaluating the tracking data. We discuss the models that are used in processing the Doppler data and the estimation method for determining the gravity field. With Pioneer Venus Orbiter and Magellan tracking data, the Venus gravity field was determined complete to degree and order 90 with the use of the JPL Cray T3D Supercomputer. The gravity field shows unprecedented high correlation with topography and resolution of features to the 200km resolution. In the procedure for solving the gravity field, other information is gained as well, and, for example, we discuss results for the Venus ephemeris, Love number, pole orientation of Venus, and atmospheric densities. Of significance is the Love number solution which indicates a liquid core for Venus. The ephemeris of Venus is determined to an accuracy of 0.02 mm/s (tens of meters in position), and the rotation period to 243.0194_+0.0002 days.

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Autor Alexander Konopliv, National Aeronautics Administration, William Sjogren
Kirjastaja CreateSpace Independent Publishing Platform
Väljalaskeaasta 2014
Kaanetüüp Pehme kaanega
EAN 9781502989338
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23,30 € 38,83 €