Período orbital (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Período orbital" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

3^rd place

6^th place

4,660^th place

2,831^st place

low place

astronomycafe.net

Oliver Montenbruck, Eberhard Gill (2000). Satellite Orbits: Models, Methods, and Applications. [S.l.]: Springer Science & Business Media. p. 50. ISBN 978-3-540-67280-7
Hannu Karttunen; et al. (2016). Fundamental Astronomy 6th ed. [S.l.]: Springer. 145 páginas. ISBN 9783662530450. Consultado em 7 de dezembro de 2018