(12111) Ulm Main-belt Asteroid
Discovered on 1 June 1998 by E. W. Elst at La Silla.
Ulm is a city in Germany on the banks of the Donau river. Until World War II it was one of the most beautiful cities remaining from the Middle Ages, with a five-ships cathedral and its 161-m tower. In 1879 the famous physicist Albert Einstein was born there.Naming citation (20030910/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ulm is today
Seen from above the solar system on 2026-10-14: Ulm is 2.40 au from the Sun and 3.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12111 |
| Provisional designation | 1998 LU |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.22 km (#12,214 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.328 |
| Absolute magnitude (H) | 14.01 |
| Orbital period | 4.10 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.40 – 2.73 au |
| Eccentricity | 0.0640 |
| Inclination | 3.89° |
| Closest distance between its orbit and Earth's (MOID) | 1.39 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 1 June 1998
- (9468) Brewer
- (12534) Janhoet
- (12867) Joeloic
- (19504) Vladalekseev
- (38018) Louisneefs
- (38019) Jeanmariepelt
- (42697) Lucapaolini
- (100924) Luctuymans