Neptune is the 4th largest planet while earth is the 5th biggest planet.
It takes Neptune to orbit the sun 164.79 earth years and it takes 15 hours and 57 minutes to rotate.
Atmosphere & Weather
Neptune's atmosphere is made up most up of methane, ammonia, water, and other ices. It's weather is the most violent type in the solar system. Its winds can be up to 1,305 mph. The coldest temperature is -218 degrees Celsius. And the warmest is -228 degrees Celsius.
Neptune has 14 moons, Triton 2,700kg, earths moon 1,079, Naiad 54 km, Thalassa, Despina, Galaltea, Larissa 28,800km, Proteus, Nereid, Sao, Halimede, Neso, Laomedia, and Psmathe.