Jupiter

Jupiter Profile
Mass: 1,898,130,000, 000,000,000 billion kg (317.83 x Earth)
Equatorial Diameter: 142,984 km
Polar Diameter: 133,709 km
Equatorial Circumference: 439,264 km
Known Moons: 67
Orbit Distance: 778,340,821 km (5.20 AU)
Orbit Period: 4,332.82 Earth days (11.86 Earth years)
Surface Temperature: -108°C
Jupiter Facts
  • Named after the Roman king of the gods, Jupiter is fitting of its name. With a mass of 1.90 x 1027 kg and a mean diameter of 139,822 km, Jupiter is easily the largest and most massive planet in the Solar System. To put this in perspective, it would take 11 Earths lined up next to each other to stretch from one side of Jupiter to the other and it would take 317 Earths to equal the mass of Jupiter.
  • Jupiter has the shortest day of the eight planets. The planet rotates very Jupiter rotates very quickly, turning on its axis once every 9 hours and 55 minutes. This rapid rotation is also what causes the flattening effect of the planet, which is why it has an oblate shape.
  • One orbit of the Sun takes Jupiter 11.86 Earth years. This means that when viewed from Earth, the planet appears to move very slowly in the sky. It takes months for Jupiter to move from one constellation to the next.
  • Jupiter has a faint ring system around it. Its ring is mostly comprised of dust particles from some of Jupiter’s moons during impacts from comets and asteroids. The ring system begins about 92,000 km above Jupiter’s clouds and reaches more than 225,000 km from the planet. The rings are somewhere between 2,000-12,500 km thick.
  • Jupiter has at least 67 moons in satellite around the planet. This includes the four large moons called the Galilean moons that were first discovered by Galileo Galilei in 1610.
  • The Great Red Spot is a huge storm on Jupiter.It has raged for at least 350 years. It is so large that three Earths could fit inside it.
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