Neptune
Neptune has a faint and discrete system of rings (or arcs) discovered in the 1960s but confirmed only in 1989 by Voyager 2, the eighth planet in the Solar System. the greatest density of any gaseous planet in the Solar System.
Distance: 30,06AU(4.497,1 MILLION KM)
Orbit: 165 EARTH YEARS
Diameter: 48.600 KM
Atmosphere: -225°C