Jupiter

planet

The largest planet in the Solar System — more massive than all the others combined. The Great Red Spot is a giant anticyclone that has been watched for centuries.

Data

Type
planet
Equatorial radius
69,911 km
Orbital period
11.9 years
Rotation period
9.9 h
Distance
5.20 AU
Moons
95

Observing tip

The four Galilean moons are obvious in binoculars, and a 70 mm telescope reveals the cloud belts and the Great Red Spot.

Solar System