ANAND P, Athira; KRISHAN SHARMA, Ram. Analytical theory in terms of J2, J3, J4 with eccentric anomaly for short-term orbit predictions using uniformly regular KS canonical elements. International Journal of Advanced Astronomy, [S. l.], v. 7, n. 1, p. 1–10, 2019. DOI: 10.14419/ijaa.v7i1.17241. Disponível em: https://sciencepubco.com/index.php/IJAA/article/view/17241.. Acesso em: 2 may. 2024.