Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989hmps....3...73d&link_type=abstract
In its The Hipparcos Mission. Prelaunch Status. Volume 3: The Data Reductions p 73-91 (SEE N90-13548 05-18)
Astronomy and Astrophysics
Astronomy
Attitude Gyros, Data Processing, Ground Operational Support System, Satellite Attitude Control, Stellar Parallax, Astronomical Coordinates, Astronomical Maps, European Space Programs, Hipparcos Satellite, Image Resolution, Solar Radiation, Thematic Mapping
Scientific paper
The on-ground attitude determination of the Hipparcos satellite, is examined. It is based on the information from the star mapper transits, and the satellite's gyroscopes. According to the physical perturbations, such as solar radiation pressure, acting on the satellite, models of the satellite attitude are developed. Concerning the attitude estimation, the body rigidity, the disturbance and control torques, the gyro and star mapper measurements are discussed. The adopted procedures for star coordinates and attitude improvements are given.
Belforte Paola
Canuto Enrico
Carlucci D.
Donati Francesco
van Leeuwen Floor
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