Flight results of the high accurate attitude determination concept for the X-ray satellite Rosat

Details Flight results of the high accurate attitude determination concept for the X-ray satellite Rosat Flight results of the high accurate attitude determination concept for the X-ray satellite Rosat

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990stia...9047765r&link_type=abstract

AIAA, Guidance, Navigation and Control Conference, Portland, OR, Aug. 20-22, 1990. 13 p.

Astronomy and Astrophysics

Astronomy

Attitude Gyros, Kalman Filters, Rosat Mission, Satellite Attitude Control, Astronomical Catalogs, Flight Tests, Star Trackers

Scientific paper

The Rosat mission requires highly accurate attitude data. Therefore an attitude determination procedure has been established using star camera measurements and gyro data. 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 Attitude Determination System to obtain attitude accuracies of a few arcsec.

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