Theoretical specifications of the trajectory estimation for a space navigation system with the function of guidance and control

Astronomy and Astrophysics – Astronomy

Scientific paper

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Astronomy, Error Analysis, Space Navigation, Trajectory Analysis, Trajectory Optimization, Algorithms, Bias, Covariance, Estimating, Kalman Filters, Matrices (Mathematics), Position (Location)

Scientific paper

The theoretical specifications of the trajectory estimation for a space navigation system (observation and trajectory estimation processes with the function of guidance and control) of STANPS-N are presented. STANPS-N is the acronym for Space Trajectory and Mission Analysis Program System (Navigation version) developed at National Aerospace Laboratory. Observation data from the range and range-rate radar are processed sequentially by the conventional Kalman filter or extended Kalman filter with the system noise compensation method. Unknown parameters (for example, observation bias, station location, astronomical and geophysical constants) can also be estimated by the enlarged system formulation. The evaluation algorithms for the effect of the impulsive velocity correction on the change of estimate and error covariance matrix are also presented.

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