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periapsis

noun

Etymology

From peri- + apsis.

  1. derived from ἁψίς
  2. borrowed from apsis
  3. prefixed as periapsis — “peri + apsis”

Definitions

  1. The point of a body's (elliptical) orbit in a 2-body gravitational system such that the…

    The point of a body's (elliptical) orbit in a 2-body gravitational system such that the distance between the two bodies (measured from their respective centres of mass) is at its minimum.

  2. The minimum distance between the two bodies in such a system.

The neighborhood

Derived

argument of periapsis, longitude of periapsis

Vish — recursive loop

No curated loop yet for periapsis. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA