Astrophysics and Space Science. An International Journal of Astronomy, Astrophysics and Space Science (Astrophys. Space Sci.) (20180101), 363, no.~9, Paper No 180, 8~pp. ISSN: 0004-640X (print).eISSN: 1572-946X.
Subject
70 Mechanics of particles and systems -- 70M Orbital mechanics 70M20 Orbital mechanics