Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond Neptune. Pluto has three natural satellites [1]
Plutoids[]
Plutoids are celestial bodies in orbit around the sun at a semi-axis greater than Neptune' s that has sufficient mass for their self-gravity to overcome rigid body forces so that they assume a hydrostatic equilibrium shape[2]
- ↑ The Sun, Planets and Dwarf Planets
- ↑ Dymock R Asteroids and Dwarf Planets and How to Observe Them ISBN 978-1-4419-6438-0
.