Época (astronomia) (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Época (astronomia)" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

18^th place

51^st place

75^th place

92^nd place

low place

low place

harvard.edu

scully.cfa.harvard.edu

Harvard minor planet center, data for Pholus^{[ligação inativa]}

cfa.harvard.edu

Consulte Explanation of orbital elements (em inglês).

iausofa.org

SOFA time scale and calendar tools (PDF) (Relatório). C programming language (em inglês). International astronomical union. 9 de outubro de 2017 (Document revision 1.5.)

nasa.gov

naif.jpl.nasa.gov

Consulte NASA Jet propulsion laboratory 'spice' toolkit documentation, function J1900 (em inglês).