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Unscented Filtering of Angles-Only Measurements of Orbital Debris

The purpose of this project is to implement unscented filtering of angles-only measurements to locate space debris for capture and removal. Previous research has explored the orbit determination procedure for capture scenario and utilized an Extended Kalman Filter (EKF) to predict the orbital position of space debris using an orbital model and line-of-sight (LOS) measurement. For this research, an Unscented Kalman Filter (UKF) was implemented with the same orbital model and LOS measurement. The results show that the UKF is more stable and more accurate at larger magnitudes of uncertainty in the prediction model compared to the EKF.