| Average distance from the Sun | 0.387 AU (5.79 x 107 km) |
| Eccentricity of orbit | 0.2056 |
| Maximum distance from the Sun | 0.467 AU (6.97 x 107 km) |
| Minimum distance from the Sun | 0.306 AU (4.59 x 107 km) |
| Inclination of orbit to ecliptic | 7º 0' 16'' |
| Average orbital velocity | 47.9 km/sec |
| Orbital period | 0.24085 y (87.969 days) |
| Period of rotation | 58.646 days |
| Inclination of equator to orbit | 0º |
| Equatorial diameter | 4878 km |
| Mass | 3.31 x 1023 kg |
| Average density | 5440 kg/m3 (5400 kg/m3 uncompressed) |
| Surface gravity | 0.38 earth gravity |
| Escape velocity | 4.3 km/sec |
| Surface temperature | 100º K to 700º K (-280º F to 800º F) |
| Average albedo | 0.06 |
| Oblateness | 0 |