(185448) Nomentum Main-belt Asteroid
Discovered on 25 December 2006 by V. S. Casulli at Vallemare Borbona.
Mentana is an Italian town, near Rome, founded as Nomentum in the 1st millennium BC. In 800 CE it was the site of the meeting of Pope Leo III and Charlemagne. The city is home to the renowned Garibaldian Museum. The name was suggested by S. Valentini.Naming citation (20110517/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Nomentum is today
Seen from above the solar system on 2026-10-14: Nomentum is 3.04 au from the Sun and 2.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 185448 |
| Provisional designation | 2006 YK13 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.89 km (#13,019 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.117 |
| Absolute magnitude (H) | 15.17 |
| Orbital period | 5.43 years |
| Semi-major axis | 3.09 au |
| Perihelion – aphelion | 2.88 – 3.29 au |
| Eccentricity | 0.0664 |
| Inclination | 11.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.87 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.