High area-to-mass ratio space objects at geosynchronous orbits pose a threat to operational satellites because of the difficulty in tracking them from Earth. This paper develops an in-orbit onboard algorithm for tracking high area-to-mass ratio space objects. The design uses relative motion dynamics and a simplified stereocamera measurement model to estimate the tracked object’s position and velocity, as well as its solar radiation pressure coefficient. An underlying assumption is the dominance of the solar radiation pressure perturbation, which is confirmed using an analysis of the relative motion dynamics. Two scenarios are examined: similar orbits and crossing orbits. The simulation results show that the tracking algorithm estimates the tracked object position, velocity, and solar radiation pressure coefficient in both scenarios with high accuracy. The simulations show that, although shape information is lost in the measurement model, the solar radiation pressure coefficient can still be estimated.
In-Orbit Tracking of High Area-to-Mass Ratio Space Objects
Journal of Guidance, Control, and Dynamics ; 40 , 8 ; 2030-2041
2017-05-05
12 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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