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), Dr. Alan Smale (Director), 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
Responsible NASA Official: Phil Newman

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