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abstraction > mathematical concept > number > quantity > orbital quantity > orbital element > period
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period
(P)
subjectfact 
periodhas symbol Phas source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:34.0
has definition An orbital element representing the time required to complete an orbit. This parameter is required when determining the orbit of a binary star system in which the mass is not known.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:34.0
is an instance of orbital elementhas source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:34.0
is an instance of time2001-09-27 09:33:34.0
orbital elementis required to define the size, shape, and orientation of an orbit in space2001-09-27 09:33:33.0
see also mean element2001-09-27 09:33:33.0
see also osculating element2001-09-27 09:33:33.0
timehas unit time unit2001-09-27 09:33:25.0
numberhas value2001-09-27 09:32:57.0