Synthetically adaptive robust filtering for satellite orbit determination

• DOI: 10.1360/02yd0211
• Publication Date: 2004-06-02T00:29:14Z
• Authors: Yuanxi Yang; Yuanlan Wen
• Keywords: Orbit Determination; Orbit (dynamics); Tracking (education); Robust Statistics

The quality of the satellite orbit determination is rested on the knowledge of perturbing forces acting on the satellite and stochastic properties of the observations, and the ability of controlling various kinds of errors. After a brief discussion on the dynamic and geometric orbit determinations, Sage adaptive filtering and robust filtering are reviewed. A new synthetically adaptive robust filtering based on a combination of robust filtering and Sage filtering is developed. It is shown, by derivations and calculations, that the synthetically adaptive robust filtering for orbit determination is not only robust but also simple in calculation. It controls the effects of the outliers of tracking observations and the satellite dynamical disturbance on the parameter estimates of the satellite orbit.