double planet

Fetched 2026-10-26 (cache).

Synonyms: double plate

Antonyms: double plate

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|astronomy}} A [[planet]] with a [[moon]] large enough to be considered a planet, were the planet not there, having a substantial portion of the system's overall mass.
2. {{lb|en|astronomy}} A pair of [[planemo]]s in orbit around each other, where the [[barycenter]] of their orbits lies outside of both planemos, which in turn is in orbit about a star.
3. {{lb|en|astronomy}} A pair of [[planemo]]s in orbit around each other, where the [[barycenter]] of their orbits lies outside of both planemos.
4. {{lb|en|astronomy}} A [[planemo]] with a [[moon]] large enough to be considered a planemo, having a substantial portion of the system's overall mass.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.