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High-Accuracy Attitude Determination for the X-Ray Satellite ROSAT

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.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=1992,
Title:High-Accuracy Attitude Determination for the X-Ray Satellite ROSAT
AuthorsInstitution or Email of Authors
Journal or Publication Title:Journal of Guidance, Control, and Dynamics
Refereed publication:Yes
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
Location: Oberpfaffenhofen
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 05:18

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