planetary object

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|astronomy}} Any secondary body in the [[Solar system]] that is geologically differentiated or in [[hydrostatic equilibrium]] and thus has a planet-like geology: a [[planet]], [[dwarf planet]], or the larger moons and asteroids.
2. {{lb|en|astronomy}} Any substantial body in orbit around the [[Sun]] or other star: a [[planet]], [[minor planet]], or [[comet]].
3. {{lb|en|astronomy}} Any substantial body associated with the development of planets: a [[protoplanet]], [[planetesimal]].

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