QAHTAN, Atared Y. Calculation Mars – Earth distance and Mars orbital elements with Julian date. Iraqi Journal of Physics, Baghdad, Iraq., v. 21, n. 1, p. 50–57, 2023. DOI: 10.30723/ijp.v21i1.1081. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/1081.. Acesso em: 19 dec. 2024.