Hydra

Hydra is a natural satellite of Pluto, with a diameter of approximately ~51 km.
Hydra is the fastest rotating moon of Pluto and like Nix, Kerberos and Styx, Hydra rotates chaotically due to gravitational pull between Pluto and Charon's binary system.
Category:Moons
Category:Plutonian Moons
Category:Objects with No Atmosphere
Category:Objects Not in Hydrostatic Equilibrium
Category:Outer Solar System Object
Category:Prograde Satellite
Category:Named Objects
Category:Named Moons
Category:Numbered Objects
Category:Numbered Moons
Category:Objects Visited by Spacecraft