Solar system guide

Explore Neptune

Cold and windswept, Neptune circles the Sun far beyond the warmth of Earth. This distant ice giant was predicted mathematically before it was seen through a telescope.

Ice giant

Diameter

49,244 km

One rotation

16.1 hours

From the Sun

30.07 AU

ONE TRIP AROUND THE SUN

164.79 years

Quick facts

Neptune’s winds can exceed 2,000 kilometers per hour.

Sizes and distances in the viewer are adapted for exploration. Orbital periods and rotation speeds preserve their real relative timing.