Statistics – Applications
Scientific paper
Jul 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985itaes..21..514a&link_type=abstract
IEEE Transactions on Aerospace and Electronic Systems (ISSN 0018-9251), vol. AES-21, July 1985, p. 514-521.
Statistics
Applications
Error Correcting Devices, Optical Communication, Orbital Elements, Position Errors, Satellite Orbits, Satellite Tracking, Accuracy, Azimuth, Geodesy, Laser Applications, Star Trackers
Scientific paper
A method to improve satellite tracking accuracy is presented and discussed theoretically and experimentally in terms of two parts: correction for errors of the tracking system and correction of satellite orbit predictions. In the first part, it is concluded that the pointing error of the tracking system can be determined accurately using data from stellar observations, so that correction is possible with an accuracy of about 0.001 deg. In the second part, it is shown that apparent errors of satellite orbital elements can be deduced from the optical observation of one orbit, and one can track the satellite after the corection with high accuracy for several subsequent orbits. The accuracy is 0.1-0.2 mrad or better for satellites at 1000 km altitude, when given orbit prediction accuracy is approximately 1 deg.
Araki Kazutoshi
Aruga Tadashi
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