Callisto

E174706

Callisto is a large, heavily cratered icy moon of Jupiter and one of the four Galilean satellites discovered by Galileo Galilei.

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All labels observed (1)

Label Occurrences
Callisto canonical 14

Statements (52)

Predicate Object
instanceOf Galilean moon
astronomical object
moon of Jupiter
natural satellite
albedoGeometric 0.20
atmosphereType very thin exosphere
atmosphericComponent carbon dioxide
oxygen
axialTilt_deg 0
belongsToPlanetarySystem Jovian satellite system
surface form: Jupiter system
belongsToStarSystem Solar System
diameter_km 4820
differentiation partially differentiated interior
discoveredBy Galileo Galilei
discoveryMethod telescope observation
discoveryYear 1610
escapeVelocity_km_per_s 2.44
exploredBy Galileo spacecraft
New Horizons
Pioneer 10
Pioneer 11
Voyager 1
Voyager 2
geologicalActivity very low
mass_kg 1.08e23
meanDensity_g_per_cm3 1.83
meanRadius_km 2410
memberOf Galilean moons
surface form: Galilean satellites
namedAfter Callisto (nymph in Greek mythology)
orbitalEccentricity 0.0074
orbitalInclination_deg 0.192
orbitalPeriod_days 16.689
orbits Jupiter
possibleSubsurfaceOcean yes
rankBySizeInJovianSystem second-largest moon of Jupiter
rankBySizeInSolarSystem third-largest moon
resonance not in Laplace resonance
rotationalState synchronous rotation
rotationPeriod_days 16.689
satelliteOf Jupiter
semiMajorAxis_km 1882700
surfaceComposition carbon dioxide
rock
water ice
surfaceFeature Asgard impact structure
Valhalla impact structure
heavily cratered terrain
multi-ring impact basins
surfaceGravity_m_per_s2 1.24
surfaceTemperature_K_max 165
surfaceTemperature_K_min 80
tidalHeatingLevel low

Referenced by (14)

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

Galilean moons member Callisto
imaging science system capturedImagesOf Callisto
subject surface form: Imaging Science System
Galileo spacecraft target Callisto
JUICE mission target Callisto
Europa neighboringMoon Callisto
Medicean stars member Callisto
Io isGalileanSatelliteWith Callisto
Ultraviolet Spectrometer studied Callisto
subject surface form: Ultraviolet Spectrometer (Galileo)