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Lookup NU author(s): Professor Philip Moore, James Turner
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Results are presented from precise orbit computations of CHAMP using a reduced dynamic procedure within the GIPSY/OASIS software. Details axe given of the orbital strategy and tuning process for the kinematic stochastic accelerations. The accuracy of the orbits is quantified by overlap residuals, by comparison against independent orbits submitted to the IG.S LEO Pilot Project and by use of SLR tracking. GPS derived Cartesian positioning is used as tracking to recover scaling factors and offsets for the accelerometer data, thruster mismatch and misalignment, and gravity field harmonics. A comparison is undertaken of surface forces inferred from the accelerometer data and from modelling. Selected sets of CHAMP positioning and accelerometer data are then used to derive an enhanced gravity field. Precise orbit determination of geodetic and altimetric satellites axe compared against existing models and the new field, NCL-champ.2. (C) 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
Author(s): Moore P, Turner JF, Qiang Z
Editor(s): Visser, P., Moore, P.
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Symposium on Integrated Space Geodetic Systems and Satellite Dynamics held at the 34th COSPAR Assembly
Year of Conference: 2003
Pages: 1897-1903
ISSN: 0273-1177
Publisher: Pergamon
URL: http://dx.doi.org/10.1016/S0273-1177(03)00164-9
DOI: 10.1016/S0273-1177(03)00164-9
Library holdings: Search Newcastle University Library for this item
Series Title: Advances in Space Research
ISBN: