Uranus
The standard model of Uranus's structure is that it consists of three layers: a rocky (silicate/iron–nickel) core in the centre, an icy mantle in the middle and an outer gaseous hydrogen/helium envelope. The core is relatively small, with a mass of only 0.55 Earth masses.
Source: Wikipedia
rotation time
17.2 Hours
revolution time
84 Years
radius
25,362 KM
average temp.
-195°c