Dione

URI: https://gptkb.org/entity/Dione
GPTKB entity
Statements (44)
Predicate Object
gptkbp:instanceOf natural satellite
gptkbp:albedo 0.998
gptkbp:atmosphere thin exosphere
gptkbp:axialTilt 0.002°
gptkbp:catalogueNumber gptkb:Saturn_IV
gptkbp:composition gptkb:rock
water ice
gptkbp:density 1.478 g/cm³
gptkbp:diameter 1122.8 km
561.4 km
gptkbp:discoveredBy gptkb:Giovanni_Domenico_Cassini
gptkbp:discoveredIn 1684
gptkbp:distanceFromEarth 0.51 km/s
gptkbp:eccentricity 0.0022
gptkbp:hasSatelliteCraters gptkb:Saturn
gptkbp:hasTrojanMoons gptkb:Polydeuces
gptkb:Helene
https://www.w3.org/2000/01/rdf-schema#label Dione
gptkbp:inclination 0.028°
gptkbp:mass 1.095452×10^21 kg
gptkbp:namedAfter gptkb:Dione_(Greek_mythology)
gptkbp:namedFor gptkb:John_Herschel
gptkbp:orbitType gptkb:Saturn
2.736915 days
gptkbp:orderFromSaturn 15th largest moon
gptkbp:parentBody gptkb:Saturn
gptkbp:relatedGroup gptkb:Saturnian_moons
gptkbp:rotationPeriod synchronous
gptkbp:semiMajorAxis 377,396 km
gptkbp:shape spheroid
gptkbp:surface craters
fractures
ice cliffs
~3,960,000 km²
gptkbp:surfaceGravity 0.231 m/s²
gptkbp:temperature ~87 K
gptkbp:visitedBy gptkb:Voyager_1
gptkb:Voyager_2
gptkb:Cassini–Huygens
gptkbp:volume 7.3×10^8 km³
gptkbp:bfsParent gptkb:Saturn_(planet)
gptkb:Moon
gptkb:marine
gptkbp:bfsLayer 4