periapsis
Definition
noun. the point in an orbit closest to the body being orbited.
Example Sentence
The spacecraft reached its periapsis, the closest point to the planet in its orbit.
More Example Sentences
Astronomers study periapsis for various bodies.
Synonyms
closest point; periapsis point
Antonyms
aphelion; furthest point
Hear It! Say It! Write It!
periapsis
