(2263) Shaanxi Main-belt Asteroid
Discovered on 30 October 1978 by Purple Mountain Observatory at Nanking.
Named for a province in central China, near the upper reaches of the Yellow River. Its capital, Xi'an, is one of the best known ancient cities in the country.Naming citation (MPC 6059), IAU / Minor Planet Center, via NASA/JPL
Where Shaanxi is today
Seen from above the solar system on 2026-10-14: Shaanxi is 3.02 au from the Sun and 3.14 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2263 |
| Provisional designation | 1978 UW1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 26.7 km (#1,561 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0900 |
| Rotation period | 272 hours |
| Absolute magnitude (H) | 11.4 |
| Orbital period | 5.24 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.69 – 3.34 au |
| Eccentricity | 0.108 |
| Inclination | 11.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.70 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.