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Autonomous Navigation Algorithm for Spacecraft Based on Sun-Earth-Moon Astronomical Information
Preview AbstractThis paper studies an autonomous navigation algorithm of spacecraft based on astronomical information of Sun, Earth and Moon. When the Sun and Moon are observable, we realize autonomous navigation through the UKF filter; and we predict the orbit using the track dynamics directly during the eclipse. Also, we present the autonomous navigation algorithm and take a simulation experiment to prove the feasibility of this autonomous navigation technology, the results of simulation suggest that the positioning accuracy of this method is enough to autonomous navigation.