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On reduced dynamic orbits for altimetric satellites

Lookup NU author(s): Professor Philip Moore, Dr Junwen Wang

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Abstract

Precise radial positioning as required for satellite altimetry has improved with enhancements in gravity field modelling to the extent that surface forces are now becoming the major source of error. To overcome deficiencies in the surface force models the adherence to the dynamic approach can be relaxed by estimation of a large number of empirical parameters. This so-called reduced dynamic approach is dependent on availability of either dense global tracking from systems such as DORIS or on the use of dual satellite crossovers to link the less precise altimetric mission with a more precise orbit. In this study we utilise the reduced dynamic approach introduced within the Newcastle orbital software, Faust, and compare and contrast results from the dynamic and reduced dynamic methodologies in terms of tracking residuals, overlaps and crossover residuals for ENVISAT and GFO. © 2005 COSPAR. Published by Elsevier Ltd. All rights reserved.


Publication metadata

Author(s): Moore P, Wang J

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 35th COSPAR Scientific Assembly: Satellite Dynamics in the Era of Interdisciplinary Space Geodesy

Year of Conference: 2004

Pages: 445-453

ISSN: 0273-1177

Publisher: Advances in Space Research: Pergamon

URL: http://dx.doi.org/10.1016/j.asr.2005.04.059

DOI: 10.1016/j.asr.2005.04.059


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