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Published in:
2005 | OriginalPaper | Chapter
Recent Developments in CHAMP Orbit Determination at GFZ
Authors : Rolf König, Grzegorz Michalak, Karl Hans Neumayer, Roland Schmidt, Sheng Yuan Zhu, Heribert Meixner, Christoph Reigber
Published in: Earth Observation with CHAMP
Publisher: Springer Berlin Heidelberg
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The GeoForschungsZentrum Potsdam (GFZ) operationally provides CHAMP orbit products for various purposes. Here the rapid and ultra-rapid orbits are highlighted. Significant developments in Precise Orbit Determination (POD) for Low Earth Orbiters (LEOs), in particular SAC-C and GRACE besides CHAMP, are described. GFZ also started to generate CHAMP-like rapid orbits for SAC-C with good accuracy. Furtheron improved LEO orbit accuracies are demonstrated by simultaneous orbit solutions of the GPS satellites and one or more LEOs in an integrated approach.