(10791) Uson Outer Main-belt Asteroid
Discovered on 8 February 1992 by T. Seki at Geisei.
Uson Morishita (1890-1965), born in Sagawa, Kochi prefecture, was one of the earliest mystery writers in Japan. He wrote many novels, mentored young writers, and is called the father of Japanese mystery novels.Naming citation (MPC batch dated 2017-01-12), IAU / Minor Planet Center, via NASA/JPL
Where Uson is today
Seen from above the solar system on 2026-10-14: Uson is 3.41 au from the Sun and 3.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10791 |
| Provisional designation | 1992 CS |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 16.8 km (#2,741 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0520 |
| Rotation period | 14.3 hours |
| Absolute magnitude (H) | 12.65 |
| Orbital period | 5.83 years |
| Semi-major axis | 3.24 au |
| Perihelion – aphelion | 2.97 – 3.51 au |
| Eccentricity | 0.0836 |
| Inclination | 23.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.99 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.