NASA/JPL-CaltechIce giantUranusRotates on its side.Object typeIce giantDiameter50,724 kmMass14.5 Earth massesGravity8.69 m/s²Average temperatureAbout -195°CDistance from the Sun2.87 billion kmOrbital period84 Earth yearsRotation period17.2 hours, retrogradeNumber of moons27AtmosphereHydrogen, helium, methaneDiscoveryWilliam Herschel, 1781Interesting FactsRotates on its side.Methane gives it a blue-green color.Major MissionsVoyager 2
