Galileo spacecraft pointing accuracy analysis

Details Galileo spacecraft pointing accuracy analysis Galileo spacecraft pointing accuracy analysis

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982asdy.confs....h&link_type=abstract

American Institute of Aeronautics and Astronautics and American Astronautical Society, Astrodynamics Conference, San Diego, CA,

Computer Science

Performance

Covariance, Dual Spin Spacecraft, Error Analysis, Galileo Spacecraft, Pointing Control Systems, Spacecraft Instruments, Accuracy, Jupiter Probes, Mathematical Models, Nutation, Spacecraft Antennas

Scientific paper

This paper describes the analysis required to evaluate the pointing performance of the Galileo spacecraft science instruments and antenna. The main contribution lies in the development of the models needed for pointing analysis. Pointing control mechanisms of the science instruments, as well as the spacecraft autonomous attitude determination process and the pointing control mechanisms for the high gain antenna, are provided in order to identify the various error sources involved. A covariance analysis method is then used to obtain the pointing capabilities of the instruments and the antenna. The results are depicted in tabular form to compare the capabilities against the levied requirements.

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