Perigee

usgb/ˈperɪdʒiː/
noun

The point in the orbit of the moon or a satellite at which it is nearest to the earth.

The moon is at perigee, the point at which it is nearest to Earth.
Visual representation of "perigee" - The point in the orbit of the moon or a satellite at which it is nearest to the earth.

Often appears as...

  • moon's perigee
  • perigee distance

Usage tips

Technical

Definition 1 of 1
Visual representation of "perigee"
LampPro Tip 1/3

Orbital Terms

Perigee relates to specific orbital terms; knowing these helps in scientific and space-related contexts.

Illustration for Orbital Terms
When teaching about orbits, perigee is contrasted with apogee.
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Technical Vocabulary

Perigee is technical; use it when talking about astronomy, space science, or physics.

Illustration for Technical Vocabulary
During the lecture on space dynamics, we studied how perigee affects satellite communication.
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Closest Approach

Remember, perigee signifies the closest point; it's about proximity between earth and an orbiting body.

Illustration for Closest Approach
The satellite's signal is strongest at perigee.
Visual representation of the word "Perigee"

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