| Mass (kg) |
1.29 x 10^22 |
| Diameter (km) |
2300 |
| Mean Density (kg/m^3) |
2030 |
| Escape Velocity (m/sec) |
1100 |
| Average Distance from Sun (AU) |
39.53 |
| Rotation Period (length of day in Earth days) |
6.39 |
| Revolution Period (length of year in Earth years) |
247.7 |
| Obliquity (tilt of axis in degrees |
122.5 |
| Orbit Inclination (degrees) |
17.15 |
| Orbit Eccentricity (diviation from circular) |
0.248 |
| Mean Temperature (K) |
37 |
| Visual Geometric Albedo (reflectivity) |
about 0.5 |
| Atmospheric Components |
methane and nitrogen |
| Surface Materials |
methane ice |
