Saturn VII

E154027

Saturn VII is the Roman numeral designation for Hyperion, an irregularly shaped moon of Saturn known for its chaotic rotation and sponge-like appearance.

All labels observed (1)

Label Occurrences
Saturn VII canonical 2

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf astronomical object
moon of Saturn
natural satellite
alsoKnownAs Hyperion
belongsToPlanetarySystem Saturnian system
surface form: Saturn system

Solar System
discoveredBy George Phillips Bond
William Cranch Bond
William Lassell
hasAlbedo low albedo
hasAppearance sponge-like
hasAxialTilt chaotically varying
hasBulkDensity about 0.54 g/cm³
hasColor reddish-brown
hasDiscoveryDate 1848
hasDiscoveryLocation Harvard College Observatory
hasEscapeVelocity about 0.1 km/s
hasExplorationMission Cassini–Huygens
Voyager 2
hasIntermediateAxisLength about 266 km
hasMajorAxisLength about 360 km
hasMeanOrbitalSpeed about 5.1 km/s
hasMeanRadius about 135 km
hasMinorAxisLength about 205 km
hasNamingAuthority International Astronomical Union
hasNotableProperty first known moon with chaotic rotation
highly cratered surface
very low density compared to solid rock
hasOrbitalEccentricity about 0.104
hasOrbitalInclination about 0.43 degrees
hasOrbitalPeriod about 21.28 Earth days
hasOrbitalResonanceWith Titan
hasRomanNumeralDesignation Saturn VII self-link
hasRotationPeriod chaotically varying around orbital period
hasRotationState chaotic rotation
hasSemiMajorAxis about 1,481,000 km
hasShape irregular
hasSurfaceComposition dark organic-rich material
water ice
hasSurfaceFeature deep craters
highly porous terrain
hasSurfaceGravity about 0.017 m/s²
hasSurfaceTemperature around 70–90 K
imagedBy Cassini–Huygens
surface form: Cassini spacecraft

Voyager 2
namedAfter Hyperion from Greek mythology
orbits Saturn

How these facts were elicited

Referenced by (2)

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

Hyperion catalogDesignation Saturn VII
Saturn VII hasRomanNumeralDesignation Saturn VII self-link