(22263) Pignedoli Main-belt Asteroid
Discovered on 3 September 1980 by Osservatorio San Vittore at Bologna.
Antonio Pignedoli (1918-1989) was professor of mathematics at the military academy of Modena. A member of Accademia Nazionale dei Lincei and many other groups, he wrote textbooks on mathematics and mathematical physics.Naming citation (20030318/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Pignedoli is today
Seen from above the solar system on 2026-10-14: Pignedoli is 1.84 au from the Sun and 1.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22263 |
| Provisional designation | 1980 RC |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.84 km (#9,160 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.119 |
| Rotation period | 6.87 hours |
| Absolute magnitude (H) | 14.41 |
| Orbital period | 3.78 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 1.78 – 3.08 au |
| Eccentricity | 0.267 |
| Inclination | 11.0° |
| Closest distance between its orbit and Earth's (MOID) | 0.818 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Antonio
- (4761) Urrutia
- (7529) Vagnozzi
- (8447) Cornejo
- (9634) Vodice
- (11112) Cagnoli
- (15150) Salsa
- (15353) Meucci
- (16744) Antonioleone
- (19189) Stradivari
- (20049) Antoniopresti
- (21007) Lo Campo
- (21301) Zanin
All asteroids named after someone called Antonio
Also discovered on 3 September 1980
More named asteroids discovered by Osservatorio San Vittore
- (2601) Bologna
- (3344) Modena
- (3744) Horn-d'Arturo
- (3809) Amici
- (3951) Zichichi
- (4062) Schiaparelli
- (4063) Euforbo
- (4122) Ferrari
- (4158) Santini
- (4279) De Gasparis
- (4540) Oriani
- (4542) Mossotti
← (22260) Ur · (22275) Barentsen →