The Planets
Neptune
Neptune

Neptune is the eighth and farthest-known Solar planet from the Sun. In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet. It is 17 times the mass of Earth, more massive than its near-twin Uranus.

Rotation Time
16.08 Hours
Revolution Time
164.79 Years
Radius
24,622 KM
Agerage temp.
-201°c