Precise orbit determination for CHAMP using an efficient kinematic and reduced-dynamic procedure

Heike Bock, Urs Hugentobler, Adrian Jäggi, Gerhard Beutler

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

2 Scopus citations

Abstract

Using an efficient and robust combination of a kinematic and reduced-dynamic orbit determination procedure CHAMP GPS data spanning about eleven months are processed and different aspects are addressed. Kinematic solutions are generated with and without elevation-dependent weighting of the observations in order to study the impact on the solution. GPS clock corrections with a sampling rate of 30 seconds and of 5 minutes, both interpolated to 10 seconds, are used. The orbit results are compared with the Post-processed Science Orbits from the GeoForschungsZentrum Potsdam, Germany, with orbit solutions from the Technical University of Munich, Germany, and they are validated with SLR measurements.

Original languageEnglish
Title of host publicationEarth Observation with CHAMP
Subtitle of host publicationResults from Three Years in Orbit
PublisherSpringer Berlin Heidelberg
Pages157-162
Number of pages6
ISBN (Print)9783540228042
DOIs
StatePublished - 2005
Externally publishedYes

Keywords

  • Efficient and precise orbit determination
  • Elevation-dependent weighting
  • GPS clock interpolation
  • Low Earth Orbiters

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