Ceres

E21423
asteroid belt object celestial body dwarf planet minor planet protoplanet

Ceres is the largest object in the asteroid belt between Mars and Jupiter and a dwarf planet composed primarily of rock and ice.

Observed surface forms (2)

Surface form Occurrences
1 Ceres 2
dwarf planet Ceres 1

Statements (47)

Predicate Object
instanceOf asteroid belt object ⓘ
celestial body ⓘ
dwarf planet ⓘ
minor planet ⓘ
protoplanet ⓘ
albedo about 0.09 ⓘ
axialTilt about 4 degrees ⓘ
belongsTo Solar System ⓘ
brightSpotsComposition sodium carbonate ⓘ
catalogDesignation Ceres self-linksurface differs ⓘ
surface form: 1 Ceres
composition ice ⓘ
rock ⓘ
currentClassification dwarf planet ⓘ
density about 2.16 g/cm³ ⓘ
diameter about 946 kilometers ⓘ
discoveredBy Giuseppe Piazzi ⓘ
discoveryDate 1801-01-01 ⓘ
discoverySite Palermo Astronomical Observatory ⓘ
dwarfPlanetDesignationDate 2006-08-24 ⓘ
equilibriumTemperature about 168 K ⓘ
escapeVelocity about 0.51 km/s ⓘ
exploredByAgency NASA ⓘ
firstSpacecraftArrivalDate 2015-03-06 ⓘ
hasBrightSpots yes ⓘ
hasExosphere yes ⓘ
hasNoMoons true ⓘ
isLargestObjectIn asteroid belt ⓘ
laterClassification asteroid ⓘ
locatedBetween Jupiter ⓘ
Mars ⓘ
locatedIn asteroid belt ⓘ
mass about 9.4×10^20 kilograms ⓘ
meanRadius about 473 kilometers ⓘ
namedAfter Roman goddess Ceres ⓘ
orbitalPeriod about 4.6 Earth years ⓘ
orbits Sun ⓘ
originalClassification planet ⓘ
possibleSubsurfaceOcean hypothesized ⓘ
rotationPeriod about 9.07 hours ⓘ
semiMajorAxis about 2.77 astronomical units ⓘ
surface cratered ⓘ
surfaceFeature Ahuna Mons ⓘ
Occator Crater ⓘ
surfaceGravity about 0.27 m/s² ⓘ
surfaceTemperatureRange about 130 K to 235 K ⓘ
visitedBy Dawn mission ⓘ
surface form: Dawn spacecraft
waterContent significant ⓘ

Referenced by (6)

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

Ceres → catalogDesignation → Ceres self-linksurface differs ⓘ
this entity surface form: 1 Ceres
subject surface form: Dawn
subject surface form: Dawn
this entity surface form: 1 Ceres
Demeter → romanEquivalent → Ceres ⓘ
Dawn mission → studied → Ceres ⓘ
subject surface form: Dawn
this entity surface form: dwarf planet Ceres