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Orbit vs Apoapsis - What's the difference?

orbit | apoapsis |

As nouns the difference between orbit and apoapsis

is that orbit is a circular or elliptical path of one object around another object while apoapsis is (astronomy) 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 maximum.

As a verb orbit

is to circle or revolve around another object.

orbit

English

Noun

(en noun)
  • A circular or elliptical path of one object around another object.
  • The Moon's orbit around the Earth takes nearly one month to complete.
  • A sphere of influence; an area of control.
  • In the post WWII era, several eastern European countries came into the orbit of the Soviet Union.
  • The course of one's usual progression, or the extent of one's typical range.
  • The convenience store was a heavily travelled point in her daily orbit , as she purchased both cigarettes and lottery tickets there.
  • (anatomy) The bony cavity containing the eyeball; the eye socket.
  • (physics) The path an electron takes around an atom's nucleus.
  • (mathematics) A collection of points related by the evolution function of a dynamical system.
  • Derived terms

    * *

    Verb

    (en verb)
  • To circle or revolve around another object.
  • The Earth orbits the Sun.
  • To move around the general vicinity of something.
  • The harried mother had a cloud of children orbiting her, asking for sweets.
  • To place an object into an orbit around a planet.
  • A rocket was used to orbit the satellite.

    Synonyms

    * (move around the general vicinity of) circumambulate, tag along * (place an object into an orbit) launch

    Derived terms

    * orbital

    See also

    * satellite * (wikipedia "orbit")

    apoapsis

    English

    Noun

    (apoapsides)
  • (astronomy) 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 maximum.
  • Usage notes

    For some celestial bodies, specialised terms are used.

    Synonyms

    * apocenter

    Antonyms

    * periapsis

    See also

    * (Apsis)