Neptune
Solar System:
Neptune
Mean Distance from the Sun
30.06 AU (4,497.07 million km / 2,725 million miles)
Period of Revolution (length of year)
164 Earth years
Period of Rotation
16.1 Earth hours
Length of day
16.1 Earth hours
Inclination
1.8 degrees
Equatorial Diameter
49,528 km (30,775 miles)
Original image located at:
http://photojournal.jpl.nasa.gov/index.html
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