Abstract
TOPEX/Poseidon (T/P) is a joint spaceborne oceanographic mission of U.S. NASA and France CNES design launched August 10, 1992. The satellite has a variety tracking systems for both operational and precision orbit determination. Three precise tracking systems: Satellite Laser Ranging (SLR), Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS), and Global Positioning System (GPS) provide high quality measurements essential for reconstructing the T/P orbital height with centimeter precision. This paper presents results of simultaneously processing all three data types to exploit the inherent strength of each in a combined solution. SLR and DORIS are routinely combined to provide orbit solutions for the T/P science team. GPS orbit solutions are produced as part of the first demonstration flight of a high quality spaceborne GPS receiver. Coordinate frame and software system differences between the combined SLR/DORIS orbits and the GPS orbits induce orbital height differences of 2 to 3 centimeters. Combining the three data types within a single software system permits removal of software system differences while obtaining coordinate frame calibration information. These calibrations will aid future spaceborne GPS missions that are not complemented with SLR and/or DORIS.
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References
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© 1996 Springer-Verlag Berlin Heidelberg
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Guinn, J. et al. (1996). TOPEX/Poseidon Precision Orbit Determination Using Combined GPS, SLR and DORIS. In: Beutler, G., Melbourne, W.G., Hein, G.W., Seeber, G. (eds) GPS Trends in Precise Terrestrial, Airborne, and Spaceborne Applications. International Association of Geodesy Symposia, vol 115. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-80133-4_20
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DOI: https://doi.org/10.1007/978-3-642-80133-4_20
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-60872-1
Online ISBN: 978-3-642-80133-4
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