Pluto’s satellite system

E481636
natural satellite system

Pluto’s satellite system is the collection of natural moons orbiting the dwarf planet Pluto, dominated by the large moon Charon and accompanied by the smaller satellites Styx, Nix, Kerberos, and Hydra.

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Observed surface forms (4)

Surface form Occurrences
Pluto system 7
Pluto–Charon system 4
Pluto-Charon small moons system 1

Statements (44)

Predicate Object
instanceOf natural satellite system ⓘ
centralBody Pluto NERFINISHED ⓘ
contains Charon NERFINISHED ⓘ
Hydra NERFINISHED ⓘ
Kerberos NERFINISHED ⓘ
Nix NERFINISHED ⓘ
Styx NERFINISHED ⓘ
discoveredBy multiple discovery teams ⓘ
dominantSatellite Charon NERFINISHED ⓘ
forms Pluto–Charon binary system NERFINISHED ⓘ
hasApproximateCharonOrbitalPeriod 6.4 Earth days ⓘ
hasApproximateCharonToPlutoMassRatio 0.12 ⓘ
hasApproximateCharonToPlutoSizeRatio 0.5 ⓘ
hasApproximateHydraOrbitalPeriod 38.2 Earth days ⓘ
hasApproximateKerberosOrbitalPeriod 32.2 Earth days ⓘ
hasApproximateNixOrbitalPeriod 24.9 Earth days ⓘ
hasApproximateStyxOrbitalPeriod 20.2 Earth days ⓘ
hasBarycenterLocation outside Pluto’s physical radius ⓘ
hasDiscoveryInstrument Hubble Space Telescope NERFINISHED ⓘ
hasDiscoveryYearOfCharon 1978 ⓘ
hasDiscoveryYearOfKerberos 2011 ⓘ
hasDiscoveryYearOfNixAndHydra 2005 ⓘ
hasDiscoveryYearOfStyx 2012 ⓘ
hasDynamicalStability long-term stable orbits for known moons ⓘ
hasExplorationMission New Horizons NERFINISHED ⓘ
hasInclinationRelativeToEcliptic about 119 degrees (Pluto’s equator) ⓘ
hasLargestMoon Charon NERFINISHED ⓘ
hasLikelyOrigin giant impact between proto-Pluto and another Kuiper belt object ⓘ
hasOrbitalConfiguration near-resonant chain of small moons ⓘ
hasOrbitalPlane approximately aligned with Pluto’s equator ⓘ
hasOrbitalResonancePattern near 1:3:4:5:6 period ratios among moons ⓘ
hasPrimaryTidalLocking Pluto–Charon mutually tidally locked ⓘ
hasSmallMoonsRotationState small moons exhibit chaotic rotation ⓘ
small moons not tidally locked ⓘ
hasSmallSatellite Hydra NERFINISHED ⓘ
Kerberos NERFINISHED ⓘ
Nix NERFINISHED ⓘ
Styx NERFINISHED ⓘ
locatedIn Kuiper belt NERFINISHED ⓘ
outer Solar System ⓘ
NewHorizonsFlybyDate 2015-07-14 ⓘ
numberOfKnownMoons 5 ⓘ
orbits Pluto NERFINISHED ⓘ
wasImagedCloselyBy New Horizons spacecraft NERFINISHED ⓘ

Referenced by (14)

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

Styx → belongsTo → Pluto’s satellite system ⓘ
this entity surface form: Pluto’s small moons
Kerberos → gravitationallyBoundTo → Pluto’s satellite system ⓘ
this entity surface form: Pluto–Charon system
Styx → gravitationallyBoundTo → Pluto’s satellite system ⓘ
this entity surface form: Pluto–Charon system
SDC → hostSpacecraftDestination → Pluto’s satellite system ⓘ
this entity surface form: Pluto system
Hydra → memberOf → Pluto’s satellite system ⓘ
subject surface form: Hydra (moon)
this entity surface form: Pluto system
Kerberos → memberOf → Pluto’s satellite system ⓘ
this entity surface form: Pluto system
Nix → memberOf → Pluto’s satellite system ⓘ
this entity surface form: Pluto system
Styx → memberOf → Pluto’s satellite system ⓘ
this entity surface form: Pluto system
Alice → missionTarget → Pluto’s satellite system ⓘ
this entity surface form: Pluto system
Kerberos → orbitsBarycenterOf → Pluto’s satellite system ⓘ
this entity surface form: Pluto–Charon system
Hydra → partOf → Pluto’s satellite system ⓘ
subject surface form: Hydra (moon)
this entity surface form: Pluto–Charon system
Kerberos → partOf → Pluto’s satellite system ⓘ
Nix → system → Pluto’s satellite system ⓘ
this entity surface form: Pluto-Charon small moons system
Ralph → targetBody → Pluto’s satellite system ⓘ
this entity surface form: Pluto system