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What is the noun for perigee?

What's the noun for perigee? Here's the word you're looking for.

perigee
  1. (astronomy) The point, in an orbit about the Earth, that is closest to the Earth: the periapsis of an Earth orbiter.
  2. (astronomy) The point, in an orbit about any planet, that is closest to the planet: the periapsis of any satellite.
  3. (possibly archaic outside astrology) The point, in any trajectory of an object in space, where it is closest to the Earth.
  4. Examples:
    1. “Whereas the synodic period is 29.53 days, it takes 27.5 days for the moon to move in its elliptical orbit from perigee to perigee.”
      “But the orbit is elliptical, and when the Moon is near perigee, it moves along its orbit more swiftly than it does when it is near apogee.”
      “Static information such as semi-major axis of ellipse, apogee and perigee altitudes, and anomalistic and nodal periods of satellite orbits.”
perigeum
  1. Archaic form of perigee.
perigees
  1. plural of perigee
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