Neptune

Neptune's rotation period lasts for 19 hours
It's revolution period lasts for 60,190 days
Is 4.5 billion km from the Sun
Has 14 satellites

Named after the Greek god, Posideon, the sea god
Neptune has a Great Dark Spot, half the size if Jupiter's
It's rings are very faint, can't be seen by naked eye

http://solarsystem.nasa.gov/planets/profile.cfm?Object=Neptune