CHIPADE, Radhika A.; RAMANATHAN, Thekke Variyam. Extended Kalman filter based statistical orbit determination for geostationary and geosynchronous satellite orbits in BeiDou constellation. Contributions to Geophysics and Geodesy, [S. l.], v. 51, n. 1, p. 25–46, 2021. DOI: 10.31577/congeo.2021.51.1.2. Disponível em: https://journals.savba.sk/index.php/cgg/article/view/5347. Acesso em: 4 feb. 2026.