Online Dictionary

periapsis Explained

periapsis at English => English (WordNet) Of Explained:

n : (astronomy) the point in as orbit closest to the body being
orbited [syn: {point of periapsis}] [ant: {apoapsis}, {apoapsis}]

periapsis at English (WD) Of Explained:



Inter: prefix » peri|apsis


Inter: en-noun » pl=periapsides
  • Inter: astronom » y The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its minimum.

    Usage notes

    In the case of some particular celestial bodies, specialised terms are used.


    * apoapsis


    * pericenter

    Related terms

    * periastron
    • perihelion
    • perilune
    • perigee


      Inter: trans-to » p
    • French: périapse, périapside {{m}}

    Inter: trans-mi » d
    Inter: trans-botto » m

    See also

    * Inter: pedia » Apsis
    Translation: ko » periapsis
    Translation: no » periapsis
    Translation: ta » periapsis
    Translation: zh » periapsis