Hydra, also known as Pluto III, S/2005 (134340) 1 and S/2005 P 1, is a moon orbiting Pluto. Hydra has a mass of 4.8 X 10^16 kilograms, a mean density of 2.13 grams per centimeter cubed, a diameters of around 51 kilometers and a temperature 23 Kelvin. Hydra has an axial tilt of 110 degrees. Hydra has a surface gravity of 0.00520055269 meters per second squared. Hydra has an orbital period of 38.20177 days and a rotation period of 0.4295 days or 10.31 hours.
Profile of Hydra
Hydra was discovered on June 15th, 2005 by Pluto Companion Search Team using The Hubble Space Telescope. Hydra has a water ice surface. Hydra is the outermost moon that orbits Pluto and orbits The Pluto-Charon Barycenter. Hydra is named after The Hydra, a nine-headed underwater Serpent, a creature known in the legends of The Classical World. The Hydra was known for growing two heads when one cut off one of them.
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