Attitude and orbit estimation using stars and landmarks
Attitude and orbit estimation using stars and landmarks
- New search for: White, R. L.
- New search for: Adams, M. B.
- New search for: Grant, F. D.
- New search for: Geisler, E. G.
- New search for: White, R. L.
- New search for: Adams, M. B.
- New search for: Grant, F. D.
- New search for: Geisler, E. G.
An extended Kalman filter is used to process line-of-sight measurements to stars and known landmarks providing a statistical indication of performance in estimating spacecraft attitude, orbital ephemeris, and the bias drift of a set of three strapdown gyros. The landmark measurements were assumed to have been taken from the imagery of an Earth-observing multispectral scanner. It is shown that filtering of these noisy measurements results in highly accurate estimates of the above parameters. Results are given showing the sensitivity of performance to various system parameters such as star tracker accuracy, errors in the knowledge of landmark position, and number of stars and landmarks processed.
Document information
Attitude and orbit estimation using stars and landmarks
1975-03-01
Miscellaneous
No indication
English
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