What does "minor planet" mean?

An astronomical object in direct orbit around the Sun that is not a planet or a comet.

What is a synonym for "minor planet"?

Common synonyms include: asteroid, asteroid, asteroids, centaur, centaurs, ceres.

noun

noun ·Rare ·Advanced level

Noun

1
An astronomical object in direct orbit around the Sun that is not a planet or a comet.
2
any of numerous small celestial bodies that move around the sun wordnet