(831) Stateira Main-belt Asteroid
Discovered on 20 September 1916 by M. F. Wolf at Heidelberg.
Where Stateira is today
Seen from above the solar system on 2026-10-14: Stateira is 2.43 au from the Sun and 3.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 831 |
| Provisional designation | A916 SD |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.22 km (#7,400 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.257 |
| Rotation period | 861 hours |
| Absolute magnitude (H) | 13.0 |
| Orbital period | 3.29 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 1.89 – 2.54 au |
| Eccentricity | 0.146 |
| Inclination | 4.84° |
| Closest distance between its orbit and Earth's (MOID) | 0.900 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.