| Mean Distance from the Sun | 19.18 AU (2,870.99 million km / 1,739 million miles) |
| Period of Revolution (length of year) | 84 Earth years |
| Period of Rotation | -17.2 Earth hours |
| Length of day | 17.2 Earth hours |
| Inclination | 0.8 degrees |
| Equatorial Diameter | 51,118 km (31,763 miles) |
Original image located at: http://photojournal.jpl.nasa.gov/index.html