Io (moon)

URI: https://gptkb.org/entity/Io_(moon)
GPTKB entity
Statements (53)
Predicate Object
gptkbp:instanceOf gptkb:Moon
natural satellite
gptkbp:albedo 0.63
gptkbp:apsis gptkb:Jupiter
gptkbp:atmosphere thin, mostly sulfur dioxide
gptkbp:catalogueNumber gptkb:Jupiter_I
gptkbp:density 3.528 g/cm³
gptkbp:diameter 1821.6 km
3642.6 km
gptkbp:discoveredBy gptkb:Galileo_Galilei
gptkbp:discoveredIn 1610
gptkbp:distanceFromEarth 2.558 km/s
gptkbp:eccentricity 0.0041
gptkbp:explores gptkb:Galileo_spacecraft
gptkb:New_Horizons
gptkb:Voyager_1
gptkb:Voyager_2
gptkbp:hasVolcano gptkb:Prometheus
gptkb:Loki_Patera
gptkb:Pele
gptkb:Tvashtar
https://www.w3.org/2000/01/rdf-schema#label Io (moon)
gptkbp:inclination 0.036° to Jupiter's equator
gptkbp:mass 8.9319×10^22 kg
gptkbp:meanDistanceFromJupiter 421,700 km
gptkbp:meanOrbitalSpeed 17.334 km/s
gptkbp:minimumPressure 0.3 nPa
gptkbp:namedAfter gptkb:Io_(mythology)
gptkbp:neighboringMoon gptkb:Europa
gptkb:Ganymede
gptkb:Callisto
gptkbp:notableFor most volcanically active body in the Solar System
gptkbp:orbitalResonanceWith gptkb:Europa
gptkb:Ganymede
gptkbp:orbitLongitude 200.39°
gptkbp:orbitType 1.769 days
gptkbp:parentBody gptkb:Jupiter
gptkbp:relatedGroup gptkb:Galilean_moons
gptkbp:rotationPeriod synchronous with orbital period
gptkbp:surface volcanoes
mountains
lava lakes
sulfur plains
sulfur, sulfur dioxide, silicate rock
yellow, orange, red, white, black
gptkbp:surfaceGravity 1.796 m/s²
gptkbp:temperature -143°C (average)
gptkbp:tidalLocking tidally locked to Jupiter
gptkbp:USGSPlanetaryNomenclatureID 200
gptkbp:volcanicPlumeHeight up to 500 km
gptkbp:volume 2.53×10^10 km³
gptkbp:bfsParent gptkb:Galileo_Galilei
gptkbp:bfsLayer 4