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Pluto Menu  ▼
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Hydra, a moon of Pluto

Kerberos
Hydra

Classification
Natural satellite of Pluto
Average distance from Pluto
64,740 km
40,227 miles
Diameter across equator
50 km
31 miles
Time to orbit Pluto
38 days and 5 hours
Year of Discovery
2005
Origin of Name
Kerberos
Hydra
Welcome to Pluto Pluto's Discovery Naming Pluto Pluto's Moons Why is Pluto not a planet? New Horizons Dwarf Planets
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Related Content
Pluto Menu
Welcome to Pluto Pluto's Discovery Naming Pluto Pluto's Moons Why is Pluto not a planet? New Horizons Dwarf Planets
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