1. European Space Agency. (2017). SCOS-2000 Database Import ICD. EGOS-MCS-S2k-ICD-0001, v7.0.
2. International Earth Rotation Service. (2022). https://www.iers.org/IERS/EN/Home/home_node.html. Accessed 09 March 2022.
3. Tapley, B. D. (2004). Statistical orbit determination. Cambridge: Elsevier Academic Press.
4. Szebehely, V. (1967). Theory of orbits: The restricted problem of three bodies. New York and London: Academic.
5. Vallado, D. A. (2004). Fundamentals of astrodynamics and applications, space technology library (STL) (2nd ed.). Boston: Microcosm Press and Kluwer Academic Publishers.