Abstract
One of the key problems that must be solved in space target monitoring is the accurate trajectory prediction, which needs high precision initial value as the premise. In order to improve the accuracy of the initial prediction value, space targets precise tracking algorithm based on dynamic equation is studied in this paper. In this method the state equation constrained by dynamic model is establishes firstly, and secondly the real-time estimated acceleration and covariance feedback are used to improve the tracking accuracy of space targets. Then the target trajectory is predicted by Euler equation in Earth-Centered-Inertial (ECI) coordinate system (CS). Finally, the feasibility and validity of the algorithm are verified by simulation experiments.
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