Models of Solar Radiation Pressure in the Orbit Determination of GPS Satellites

Details Models of Solar Radiation Pressure in the Orbit Determination of GPS Satellites Models of Solar Radiation Pressure in the Orbit Determination of GPS Satellites

Jan 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cha%26a..31...66c&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 31, Issue 1, p. 66-75.

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

For the orbit determination of high-orbit satellites, such as GPS satellites, the largest error source is the perturbation of solar radiation pressure. In recent years, the precision of the GPS ephemerides provided by various IGS analysis centers has been continually improved, for which a very important factor is the continuous refinement of the solar radiation pressure model. After a detailed description of the currently used 7 solar radiation pressure models, they are used to integrate satellite orbits, for the purpose of comparing their accuracies in the orbit integration of GPS satellites. The results show that the 3 models provided by Bern University are the most accurate for simulating the solar radiation pressure, and the obtained GPS orbit precision from them are almost an order of magnitude better than the other 4 models.

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