Welcome to Jupiter!
King of the planets
Jupiter is the fifth planet from the Sun and the largest planet in the Solar System. It is a giant world made mostly from hydrogen and helium, with colourful bands of cloud wrapped around its huge atmosphere.
Jupiter is famous for the Great Red Spot, a gigantic storm that has been observed for hundreds of years. It also has a large family of moons, including the four Galilean moons: Io, Europa, Ganymede and Callisto.
Jupiter quick facts
Position
Fifth planet from the Sun
Planet type
Gas giant
Average distance
778,570,000 km
483,780,819 milesDiameter
139,822 km
86,881 milesDay length
9 hours, 55 mins
Year length
11 years, 314 days
Temperature
-108 °C
-162 °F
Moons
Jupiter in context
Explore Jupiter
Find out more about Jupiter by exploring its storms, moons, missions and most fascinating features.
Jupiter's Great Red Spot
Discover Jupiter’s most famous storm, a gigantic swirling feature in the planet’s atmosphere.
Explore the Great Red Spot →Jupiter's Moons
Meet Jupiter’s huge family of moons, including Io, Europa, Ganymede and Callisto.
Explore Jupiter's moons →List of Jupiter's Moons
View a table of Jupiter’s known moons and compare their sizes, distances and orbits.
View the moon table →Journeys to Jupiter
Find out about the spacecraft that have travelled to Jupiter and revealed its secrets.
Explore Jupiter missions →The Voyager Mission
Learn about the Voyager spacecraft and their historic journeys past Jupiter and beyond.
Visit the mission →Ten Facts about Jupiter
A quick collection of fascinating facts about the Solar System’s largest planet.
Read Jupiter facts →
