|Sidereal Period||164.90 years|
|Mean Distance from the Sun||4,504.5 million km|
|Sidereal Day||18 hours, 12 minutes|
|Mean Surface Temperature||-193°C|
|Moons||Despina, Galatea, Halimede, Laomedeia, Larissa, Naiad, Nereid, Neso, Proteus, Psamathe, Sao, Thalassa, Triton; other small moons|
|Notes||The outermost of the eight major planets of the Solar System, the ice giant Neptune pursues a distant orbit that carries it around the inner edge of the region known as the Kuiper Belt.|
Because Pluto pursues an eccentric orbit in comparison with the other worlds of the
Solar System, Neptune is periodically the farthest planet
from the Sun. This gas giant follows its course on
the outer fringes of the Solar System.
The cold, blue world of Neptune, outermost of the gas giants.
eSky © copyright Mark Fisher 1999-2016
Surface maps courtesy Jet Propulsion Laboratory. Copyright © California Institute of Technology, Pasadena, CA. All rights reserved.