Planetoid (meaning planet-like) refers to a small celestial body with some of the characteristics of a planet. Depending on usage, the term may refer to one or more of the following:

Asteroids, also called minor planets or planetoids, are a class of astronomical objects. The term asteroid is generally used to indicate a diverse group of small celestial bodies in the solar system that orbit around the Sun. 'Asteroid' (Greek for...

Kuiper Belt object

Trans-Neptunian object

Dwarf planet

Minor planet

Small solar system body