planetary-mass object
any celestial object massive enough to achieve hydrostatic equilibrium, but not enough to sustain core fusion like a star
Also known as: PMO, planemo
Instance Of
- [astronomical object type](https://wiki.org.ai/astronomical object type)
- [planetary body](https://wiki.org.ai/planetary body)
Properties
| Property | Value |
|---|---|
| Instance of | astronomical object type |
| Subclass of | planetary body |