Ío

URI: https://gptkb.org/entity/Ío
GPTKB entity
Statements (50)
Predicate Object
gptkbp:instanceOf gptkb:Moon
natural satellite
gptkbp:albedo 0.63
gptkbp:atmosphere sulfur dioxide
gptkbp:axialTilt 0.05°
gptkbp:catalogueNumber gptkb:Jupiter_I
gptkbp:density 3.528 g/cm³
gptkbp:diameter 1821.6 km
gptkbp:discoveredBy gptkb:Galileo_Galilei
gptkbp:discoveredIn 1610
gptkbp:distanceFromEarth 2.558 km/s
628.3 million km (average)
gptkbp:eccentricity 0.0041
gptkbp:explores gptkb:Galileo_spacecraft
gptkb:New_Horizons
gptkb:Voyager_1
gptkb:Voyager_2
gptkb:Juno_spacecraft
https://www.w3.org/2000/01/rdf-schema#label Ío
gptkbp:inclination 0.036°
gptkbp:includesGroup gptkb:Galilean_moons
gptkbp:largestVolcano gptkb:Loki_Patera
gptkbp:mass 8.9319×10^22 kg
gptkbp:meanDistanceFromJupiter 421,700 km (mean)
gptkbp:meanSurfacePressure 0.3 nPa
gptkbp:namedAfter gptkb:Io_(mythology)
gptkbp:notableFor gptkb:volcanic_activity
most geologically active body in the Solar System
gptkbp:notablePeak gptkb:Boösaule_Montes
gptkb:Euboea_Montes
gptkb:Hi'iaka_Montes
gptkbp:notableVolcano gptkb:Prometheus
gptkb:Pele
gptkbp:numberOfIslands over 400
gptkbp:orbitType 1.769 days
gptkbp:orderFromJupiter innermost Galilean moon
gptkbp:parentBody gptkb:Jupiter
gptkbp:rotationPeriod synchronous with orbital period
gptkbp:surface mountains
lava lakes
sulfur, sulfur dioxide, silicate rock
yellow, orange, red, white, black
volcanic calderas
41,910,000 km²
plains of sulfur and sulfur dioxide frost
gptkbp:surfaceGravity 1.796 m/s²
gptkbp:temperature 110 K (average)
gptkbp:tidalHeating significant
gptkbp:bfsParent gptkb:Júpiter
gptkbp:bfsLayer 6