S/2005 P 1

E559576

moon of Pluto natural satellite

S/2005 P 1 is the provisional designation for Hydra, one of Pluto’s small outer moons discovered in 2005.

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Observed surface forms (1)

Surface form	Occurrences
Hydra	0

Predicate	Object
instanceOf	moon of Pluto ⓘ natural satellite ⓘ
albedo	high ⓘ high ⓘ
alsoKnownAs	Hydra NERFINISHED ⓘ
belongsToPlanetarySystem	Pluto NERFINISHED ⓘ Pluto NERFINISHED ⓘ
discoveredBy	Hubble Space Telescope NERFINISHED ⓘ Hubble Space Telescope NERFINISHED ⓘ
discoveredInYear	2005 ⓘ 2005 ⓘ
discoveredUsing	Hubble Space Telescope Advanced Camera for Surveys NERFINISHED ⓘ Hubble Space Telescope Advanced Camera for Surveys NERFINISHED ⓘ
discoveryDate	2005-05-15 ⓘ 2005-05-15 ⓘ
discoveryMethod	imaging ⓘ imaging ⓘ
hasProvisionalDesignation	S/2005 P 1 NERFINISHED ⓘ
meanRadius_km	approximately 20 ⓘ approximately 20 ⓘ
memberOfSystem	Pluto system NERFINISHED ⓘ Pluto system NERFINISHED ⓘ
namedAfter	Hydra (mythological serpent) NERFINISHED ⓘ Hydra (mythological serpent) NERFINISHED ⓘ
orbitalPeriod_days	approximately 38.2 ⓘ approximately 38.2 ⓘ
orbits	Pluto NERFINISHED ⓘ Pluto NERFINISHED ⓘ Pluto–Charon barycenter NERFINISHED ⓘ Pluto–Charon barycenter NERFINISHED ⓘ
partOf	Kuiper belt NERFINISHED ⓘ Kuiper belt NERFINISHED ⓘ
provisionalDesignationFor	Hydra NERFINISHED ⓘ
relativePositionInSystem	outer moon of Pluto ⓘ outer moon of Pluto ⓘ
semiMajorAxis_km	approximately 64730 ⓘ approximately 64730 ⓘ
shape	irregular ⓘ irregular ⓘ
surfaceComposition	water ice ⓘ water ice ⓘ

Full triples — surface form annotated when it differs from this entity's canonical label.

Hydra → provisionalDesignation → S/2005 P 1 ⓘ

subject surface form: Hydra (moon)