(10121) Arzamas Outer Main-belt Asteroid
Discovered on 27 January 1993 by E. W. Elst at Caussols.
Arzamas, on the Tesha river, was founded in 1578 by Ivan the Terrible. It became a major transit center on the road from Moscow to the eastern parts of Russia. Its main industry has always been the production of leather and the dyeing of fabrics.Naming citation (20071124/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Arzamas is today
Seen from above the solar system on 2026-10-14: Arzamas is 3.68 au from the Sun and 3.76 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10121 |
| Provisional designation | 1993 BS4 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 10.8 km (#4,703 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0800 |
| Rotation period | 12.1 hours |
| Absolute magnitude (H) | 13.53 |
| Orbital period | 5.74 years |
| Semi-major axis | 3.21 au |
| Perihelion – aphelion | 2.73 – 3.69 au |
| Eccentricity | 0.150 |
| Inclination | 0.890° |
| Closest distance between its orbit and Earth's (MOID) | 1.71 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 27 January 1993
- (8386) Vanvinckenroye
- (9614) Cuvier
- (10122) Froding
- (10354) Guillaumebude
- (11302) Rubicon
- (11552) Boucolion
- (11553) Scheria
- (12341) Calevoet
- (13096) Tigris
- (17521) Kiek
- (21128) Chapuis
More named asteroids discovered by E. W. Elst
- (3631) Sigyn
- (3784) Chopin
- (3870) Mayre
- (3903) Kliment Ohridski
- (3910) Liszt
- (3912) Troja
- (3918) Brel
- (4038) Kristina
- (4226) Damiaan
- (4342) Freud
- (4344) Buxtehude
- (4345) Rachmaninoff
← (10120) Ypres · (10122) Froding →