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physical phenomena > event > celestial event > periodic celestial event > orbital event > binary star orbital event > periastron
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periastron
subjectfact 
periastronhas antonym apastron2001-09-27 09:30:04.0
has participants binary star2001-09-27 09:30:04.0
has definition The point in the orbit of one component of a binary system where it is nearest the other component.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:30:04.0
is an instance of binary star orbital event2001-09-27 09:30:04.0
orbital eventhas period 1 orbital period2001-09-27 09:30:04.0
eventhas duration2001-09-27 09:29:57.0
has synonym world point2001-09-27 09:29:57.0
has time of occurrence2001-09-27 09:29:57.0