Rupp, T. and Schneiders, G. (1992) High-Accuracy Attitude Determination for the X-Ray Satellite ROSAT. Journal of Guidance, Control, and Dynamics, 15 (3), pp. 554-561.
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The ROSAT Mission requires highly accurate attitude data. Therefore, an attitude determination procedure has been established at the German Space Operations Center (GSOC) using star camera measurements and gyro data. The latter replaces the model in a modified Kalman filter. A quaternion representation of the attitude is used. A fiducial light star system monitors the relative motion between telescope axis and star cameras. The reference is a star catalog for the epoch 2000.0. Results of first flight data demonstrate the capability of the post facto altitude determination system to obtain attitude accuracies of a few arcseconds. The first year of the ROSAT mission has shown that the results presented in this paper are representative for the performance of the two operational spacecraft modes "scan" and "pointing" that are described here.
|Title:||High-Accuracy Attitude Determination for the X-Ray Satellite ROSAT|
|Journal or Publication Title:||Journal of Guidance, Control, and Dynamics|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 554-561|
|Keywords:||Attitude Determination, Attitude Sensors, Calibration, Kalman Filter, Accuracy of Attitude Solution|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||other|
|HGF - Program Themes:||other|
|DLR - Research area:||Space|
|DLR - Program:||no assignment|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Space Operations and Astronaut Training > Hauptabteilung Raumflugmissionen|
German Remote Sensing Data Center > Hauptabteilung Angewandte Datentechnik
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||02 Apr 2006|
|Last Modified:||27 Apr 2009 03:18|
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