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Hydra

Aphelion	N/A
Periphelion	N/A
Inclination	0.242°
Mass	4.8 x 10¹⁶ kg
Mean Radius	36 km
Sideral Orbit	38.2 days
Sideral Rotation	0 hrs

English NameHydraName DetailNamed after the Hydra, the nine-headed underworld serpent in Greek mythology.Discovered ByHubble Space Telescope Pluto Companion Search TeamDiscovery Date15/05/2005Body TypeMoonPlanet English NamePluto