Pluto's Natural Satellites

Pluto has three named moons.

Name Diameter Mass Distance from Pluto
Charon 1,206 km 1.47 x 1021 kg 19,636 km
Hydra 60 - 170 km unknown kg 64,000 km
Nix 46 - 136 km unknown kg 49,000 km

The StarChild site is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), within the Astrophysics Science Division (ASD) at NASA/ GSFC.

StarChild Authors: The StarChild Team
StarChild Graphics & Music: Acknowledgments
StarChild Project Leader: Dr. Laura A. Whitlock
Curator: J.D. Myers
Responsible NASA Official: Amber Straughn