1. Space debris by the numbers;ESA’s Space Debris Office,2022
2. Fundamentals of Astrodynamics and Applications;Vallado,2001
3. Preliminary orbit determination;Curtis,2014
4. Application of Statistical Filter Theory to the Optimal Estimation of Position and Velocity on Board a Circumlunar Vehicle;Smith,1962
5. New extension of the Kalman filter to nonlinear systems;Julier,1997