Rotation Neptune's roatation take about 16 hours to rotate around the sun
Revolution Neptune orbits around the sun in about 165 earth years.
Composistion Neptune is a ice giant. Neptunes's atmosphere is made up of mostly molecular hydrogen, atmoic helium and methane.
Unique Characteristics Neptune has at least five main rings and four more ring arcs that are clumps of dust and debris likely formed by the gravity of a nearby moon.