(55427) Rosta Main-belt Asteroid
Discovered on 14 October 2001 by Asiago-DLR Asteroid Survey at Cima Ekar.
Rosta is an ancient Italian municipality in Piedmont. It is likely that in the pre-Roman period it was a Celtic garrison and, later, it was a transit station for the Romans' passages towards Gaul, as well as for Constantine's legions in the 4th century.Naming citation (WGSBN Bull. 5, #11, 12), IAU / Minor Planet Center, via NASA/JPL
Where Rosta is today
Seen from above the solar system on 2026-10-14: Rosta is 2.92 au from the Sun and 3.90 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 55427 |
| Provisional designation | 2001 TF47 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.81 km (#9,211 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0910 |
| Absolute magnitude (H) | 14.98 |
| Orbital period | 4.59 years |
| Semi-major axis | 2.76 au |
| Perihelion – aphelion | 2.55 – 2.97 au |
| Eccentricity | 0.0760 |
| Inclination | 8.09° |
| Closest distance between its orbit and Earth's (MOID) | 1.57 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 14 October 2001
- (34855) Annaspektor
- (34856) Savithas
- (34857) Sutaria
- (55428) Cappellaro
- (57561) Gabrielegiuli
- (57567) Crikey
- (88961) Valpertile
- (124852) Cooper
- (140602) Berlind
- (153686) Pathall
- (160903) Shiokaze
- (173872) Andrewwest