Definition

The closest point in the orbit of an object around a planet or moon.

Example

The satellite reached its perigee just before it began to ascend again.

Conversation

Did you know that the moon reaches its perigee every month?

Yeah, I heard it gets closer to Earth then, right?

Exactly! It's a great time to go stargazing.

We should plan a night out when that happens!

Synonyms & Antonyms

Root Explanation

Perigee is formed from "peri-" (meaning around or near) and "ge" (from Greek "gē", meaning earth). The term refers to the point in an orbit that is closest to the earth.

Memory Tip

Think of 'peri-' meaning around or near, and 'ge' referring to earth — this helps you remember that perigee is the point closest to the earth in an orbit.

Visually Confused Words