Pluto

E20342

Pluto is a distant, icy dwarf planet in the Kuiper Belt known for its eccentric orbit and former status as the ninth planet of the Solar System.

All labels observed (7)

Label Occurrences
Pluto canonical 51
dwarf planet Pluto 3
Plouton 1

How this entity was disambiguated

Statements (58)

Predicate Object
instanceOf Kuiper Belt object
celestial body
dwarf planet
minor planet
plutoid
trans-Neptunian object
albedo about 0.52
aphelionDistance about 49.3 astronomical units
atmosphereComposition carbon monoxide
methane
nitrogen
axialTilt about 120 degrees
category distant icy world
color brownish
reddish
diameter about 2376 km
discoveredBy Clyde Tombaugh
discoveryDate 1930-02-18
discoverySite Lowell Observatory
equilibriumTemperature about 44 K
flybyDate 2015-07-14
formerStatus ninth planet of the Solar System
hasAtmosphere yes
hasGeologicalActivity yes
hasGlaciers yes
hasMountains yes
hasNaturalSatellite Charon
Hydra
Kerberos
Nix
Styx
inOrbitalResonanceWith Neptune
largestMoon Charon
locatedIn Kuiper Belt
linked to: outer Solar System
mass about 1.303e22 kg
meanDistanceFromSun about 39.5 astronomical units
meanRadius about 1188 km
memberOf Solar System
mountainComposition water ice
namedAfter Pluto (Roman god of the underworld)
orbitalEccentricity about 0.248
orbitalInclination about 17 degrees
orbitalPeriod about 248 Earth years
orbitalResonanceRatio 3:2 with Neptune
orbits Sun
perihelionDistance about 29.7 astronomical units
reclassificationYear 2006
reclassifiedAs dwarf planet
reclassifiedBy International Astronomical Union
rotationPeriod about 6.4 Earth days
surfaceComposition carbon monoxide ice
methane ice
nitrogen ice
surfaceFeature Sputnik Planitia
Tombaugh Regio
linked to: Sputnik Planitia
surfaceGravity about 0.063 g
surfaceTemperature about 33–55 K
visitedBy New Horizons

How these facts were elicited

Referenced by (59)

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

Kuiper Belt object example Pluto
subject linked to: Kuiper Belt objects
Eris similarInSizeTo Pluto
Hades epithet Plouton
linked to: Pluto
Hades epithet Pluto
Hades latinName Pluto
Hades romanEquivalent Pluto
Makemake isColderThan Pluto
New Horizons flybyOf Pluto
Orcus similarTo Pluto
Quaoar isSmallerThan Pluto
(15760) 1992 QB1 isBeyond Pluto
Clyde Tombaugh discovered Pluto
Pluto notSameAs Pluto (dwarf planet)
linked to: Pluto
Pluto latinName Pluto
Sputnik Planitia hostBody dwarf planet Pluto
linked to: Pluto
Charon orbits Pluto
Charon isMoonOf Pluto
Charon isLargestMoonOf Pluto
Charon isLargestMoonOf dwarf planet Pluto
linked to: Pluto
Charon belongsToPlanetarySystem Pluto system
linked to: Pluto
Nix orbits Pluto
Nix memberOf Pluto-Charon system
linked to: Pluto
Nix primaryBody Pluto
Kerberos orbits Pluto
Kerberos primaryBody Pluto
Kerberos satelliteOf Pluto
Vesta sibling Pluto
Styx orbits Pluto
Styx parentBody Pluto–Charon barycenter
linked to: Pluto
LORRI firstMajorTarget Pluto
LORRI flybyTarget Pluto
Ralph observes Pluto
REX targetBody Pluto
SWAP targetBody Pluto
PEPSSI targetBody Pluto
Hydra (moon) orbits Pluto
subject linked to: Hydra
Hydra (moon) primaryBody Pluto
subject linked to: Hydra
Future studioAlbum Pluto