Abstract: A surveying satellite apparatus having an on-board microprocessor to process sensor-provided data from planetary and/or celestial reference scene. The sensor data is compared with the on-board spacecraft database to determine if any misorientation or translation error is present. The spacecraft attitude and ephemeris solutions are autonomously updated to reflect the realtime alignment.
Type:
Grant
Filed:
May 7, 1992
Date of Patent:
April 20, 1993
Assignee:
The United States of America as represented by the Secretary of the Air Force