# planetoid

> English word · Noun

## Definitions
1. An asteroid of any size
2. An asteroid-like body in an orbit beyond the asteroid belt, such as a centaur or Kuiper belt object
3. A larger, planetary, body in orbit around the Sun, such as Vesta or (candidate) dwarf planets such Eris or Sedna
4. Any planetary body, including classical planets and moons: a planetary-mass object
5. A dwarf planet

## Etymology
From planet + -oid.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/planetoid