planetary object

---

Noun

planetary object (plural planetary objects)

1. (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. (astronomy) Any substantial body in orbit around the Sun or other star: a planet, minor planet, or comet.
3. (astronomy) Any substantial body associated with the development of planets: a protoplanet, planetesimal.

---

This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003