(42775) Bianchini Main-belt Asteroid
Discovered on 26 October 1998 by Munari, U., Castellani, F. at Cima Ekar.
Francesco Bianchini (1662-1729), a catholic priest born in Verona, was esteemed by the popes, who assigned him to the project of calendar reform. He built a great sundial in Rome and he was a keen telescopic observer, with observations of the sun, Venus, Mars and Jupiter's satellites.Naming citation (20030910/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Bianchini is today
Seen from above the solar system on 2026-10-14: Bianchini is 2.48 au from the Sun and 1.80 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 42775 |
| Provisional designation | 1998 UO23 |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.5 km (#4,313 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0580 |
| Absolute magnitude (H) | 13.27 |
| Orbital period | 5.59 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.39 – 3.91 au |
| Eccentricity | 0.241 |
| Inclination | 22.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.45 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Francesco
- (6892) Lana
- (7640) Marzari
- (7918) Berrilli
- (8266) Bertelli
- (9934) Caccioppoli
- (10875) Veracini
- (12722) Petrarca
- (15460) Manca
- (18102) Angrilli
- (18583) Francescopedani
- (20103) de Vico
- (20353) Gianotto
All asteroids named after someone called Francesco