A linear error covariance analysis is performed for a satellite borne stellar horizon atmospheric dispersion (SHAD) sensor for the purpose of evaluating its feasibility for autonomous satellite orbit determination. The unmodeled errors of the Earth atmosphere limit the sensor's ultimate precision as a navigational instrument. Although less measurement precision is required for low satellite altitudes, the atmospheric effects are more severe. In order to achieve positional accuracies of less than 200 meters, atmospheric errors need to be limited to 1 % or less. This paper is condensed version of a paper previously given at the AAS/AIAA Astrodynamics Conference, Lake Placid, New York, Aug. 22-25, 1983.
Autonomous satellite navigation using the stellar horizon atmospheric dispersion sensor
Autonome Satellitennavigation mit dem atmosphaerischen Sternenhorizont Dispersions-Sensor (SHAD)
1986
6 Seiten, 6 Bilder, 4 Tabellen, 2 Quellen
Conference paper
English
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