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Published in:
2005 | OriginalPaper | Chapter
CHAMP and Resonances
Authors : Robert H. Gooding, Carl A. Wagner, Jaroslav Klokočník, Jan Kostelecký, Christoph Reigber
Published in: Earth Observation with CHAMP
Publisher: Springer Berlin Heidelberg
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The technique of using the evolution of a satellite orbit through resonance to determine the values of appropriate
lumped
geopotential harmonic coefficients has recently been revived, and applied to the triple passage of the Champ orbit through 31:2 resonance. Preliminary results for four pairs of coefficients have been derived rapidly, without using the most precise data (which will be forthcoming). The values obtained are compared with those derivable from various global gravity models (to obtain which, vast amounts of data had to be analysed), and the comparison indicates that the resonance technique remains a competitive one.