time of periapsis passage — An Etymological Dictionary of Astronomy and Astrophysics

time of periapsis passage

زمان ِ گذر از پیراهباک

zamân-e gozar az pirâhabâk

Fr.: temps de passage au périapse

One of the → orbital elements, the time when the → secondary body reaches → periapsis.

See also: → time; → periapsis; → passage.