Photo of Pluto from New Horizons
Pluto is a dwarf planet in the Solar System. It currently has 5 confirmed moons as of November 2020. Listed below is a list of Plutonian moons in order of Semi-major Axis.
| Label | Name | Diameter | Semi-major
axis (km) |
Discovery Year | Discoverer |
|---|---|---|---|---|---|
| I | Charon | 1,212 km | 17,536 | 1978 | James Christy |
| V | Styx | 16 x 9 x 8 | 42,656 | 2012 | Mark Showalter |
| II | Nix | 49.8 x 33.2 x 31.1 | 48,649 | 2005 | Pluto Companion
Search Team |
| IV | Kerberos | 19 x 10 x 9 | 57,783 | 2011 | Mark Showalter |
| III | Hydra | 50.9 x 36.1 x 30.9 | 64,738 | 2005 | Pluto Companion
Search Team |