ROTATION
It takes for Neptune 19.1
Earth's hours to rotate on its axis.
ORBIT
It takes for Neptune 164.81
Earth's years to orbit around the Sun.
COMPOSITIONIt is a gas planet.
It has two Satellites and two rings.
CREDITS
by Sergi and Alba
http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level1/planets.html
http://www.enchantedlearning.com/subjects/astronomy/http://www.kidsastronomy.com/solar_system.htm