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Hydra

Moon of Pluto: Hydra

Hydra is the outermost of the 5 moons of planet Pluto. It is a small, irregular-shaped moon composed mostly of water ice.

For a listing of all moons, see Moons of the Planets.

Hydra Facts
      1. Mass (kg)
      2. 4.8e+16
      1. Radius (km)
      2. 65x45x25
      1. Density (gm/cm3)
      1. Distance from planet (km)
      1. Rotational period (days)
      2. 0.4295
      1. Orbital period (days)
      2. 38.201
      1. Orbital velocity (km/sec)
      1. Eccentricity of orbit
      2. 0.005
      1. Inclination of orbit (°)
      2. 0.242
      1. Albedo
      2. 0.83
      1. Magnitude (Vo)
      2. 22.9
      1. Atmosphere


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