(18928) Pontremoli Main-belt Asteroid
Discovered on 25 August 2000 by Monte Viseggi at Monte Viseggi.
Pontremoli is an Italian town important in medieval times because of its strategic position, in Lunigiana territory, on the pilgrims' Francigean way from Paris to Rome. Pontremoli is famous for the prehistoric Stele Statues museum and Premio Bancarella cultural event.Naming citation (20020328/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Pontremoli is today
Seen from above the solar system on 2026-10-14: Pontremoli is 2.77 au from the Sun and 2.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18928 |
| Provisional designation | 2000 QH9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.42 km (#8,359 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.171 |
| Rotation period | 7.39 hours |
| Absolute magnitude (H) | 13.68 |
| Orbital period | 5.25 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.68 – 3.36 au |
| Eccentricity | 0.114 |
| Inclination | 9.77° |
| Closest distance between its orbit and Earth's (MOID) | 1.69 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 25 August 2000
- (18180) Irenesun
- (18190) Michaelpizer
- (18191) Rayhe
- (18192) Craigwallace
- (18943) Elaisponton
- (18949) Tumaneng
- (18954) Sarahbounds
- (20768) Langberg
- (20770) Yumoto
- (20771) Yurimoto
- (23192) Caysvesterby
- (27570) Erinschumacher