Fact File
Distance from the Sun: 5.20 AU
Sidereal revolution period (about Sun): 11.9 years
Mass (Earth=1): 318
Radius at equator (Earth=1): 11.2
Apparent size: 31-48 arc seconds
Sidereal rotation period (at equator): 9.84 hours
Moons: 16

Tidbits: Jupiter is a gas giant, more massive and less dense than the rocky inner planets. Features the largest storm on any planet, the Great Red Spot, and it's four times larger than the Earth!