›› 2013, Vol. 39 ›› Issue (5): 24-28.doi: 10.3969/j.issn.1674-1579.2013.05.005

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Analysis of the Influence of Orbital Position Errors on EarthPointing Precision Based on Star Sensor Measurement

  

  • Online:2013-10-25 Published:2013-10-28

Abstract: The factors that influence the Earthpointing precision by using the star tracker are analyzed. The analytical expressions of pointing errors are given, which are affected by orbital parameters in the directions of both the longitude and latitude. Simulation results show that the analytical results are consistent with the computational results.

Key words: star sensor, attitude precision, orbital position error

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