Asteroid
The largest asteroid of the stony S-type, and the most massive asteroid without a spacecraft visit as of its discovery era.
| Type | Asteroid |
|---|---|
| Distance from the Sun | 2.64 AU |
| Diameter | 268 km |
| Mass | 3.12 × 10^19 kg |
| Temperature | -103°C |
| Orbital period | 1,569 days |
| Rotation period | 6.083 hours |
| Apparent magnitude | 7.9 |
| Redshift | 0 |
| Discovered | 1851 |