Azimuth vs Periapsis - What's the difference?

azimuth | periapsis |


As nouns the difference between azimuth and periapsis

is that azimuth is an arc of the horizon intercepted between the meridian of the place and a vertical circle passing through the center of any object; as, the azimuth of a star; the azimuth or bearing of a line surveying while periapsis 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 minimum.

azimuth

English

Noun

(en noun)
  • An arc of the horizon intercepted between the meridian of the place and a vertical circle passing through the center of any object; as, the azimuth of a star; the azimuth or bearing of a line surveying.
  • The quadrant of an azimuth circle.
  • Quotations

    * , Chapter 16 *: The dome, being constructed of wood, was light by comparison with the rest of the structure, and the wheels which allowed it horizontal, or, as Swithin expressed it, azimuth motion, denied it a firm hold upon the walls; so that it had been lifted off them like a cover from a pot.

    Derived terms

    * azimuthal * azimuthally

    periapsis

    English

    Noun

    (periapsides)
  • (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 minimum.
  • Usage notes

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

    Antonyms

    * apoapsis

    Synonyms

    * pericenter

    See also

    * (Apsis)