(31271) Nallino Main-belt Asteroid
Discovered on 25 March 1998 by Osservatorio San Vittore at Bologna.
Italian orientalist Carlo Alfonso Nallino (1872-1938) was professor of Arabian studies at Naples and Palermo and of Muslim history and institutions at Rome. His study of astronomy and Arabian culture at Cairo University prepared him for his three-volume translation of Al-Battani's Opus Astronomicum.Naming citation (20090806/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Nallino is today
Seen from above the solar system on 2026-10-14: Nallino is 3.13 au from the Sun and 4.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31271 |
| Provisional designation | 1998 FH16 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.90 km (#5,836 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0670 |
| Rotation period | 19.1 hours |
| Absolute magnitude (H) | 14.13 |
| Orbital period | 5.57 years |
| Semi-major axis | 3.14 au |
| Perihelion – aphelion | 2.85 – 3.43 au |
| Eccentricity | 0.0916 |
| Inclination | 1.72° |
| Closest distance between its orbit and Earth's (MOID) | 1.87 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Carlo
- (8398) Rubbia
- (11600) Cipolla
- (12927) Pinocchio
- (13689) Succi
- (17077) Pampaloni
- (24697) Rastrelli
- (31476) Bocconcelli
- (78535) Carloconti
- (101534) Carlobenna
- (306386) Carlofavetti
- (325476) Carlomarchioro
- (447682) Rambaldi
All asteroids named after someone called Carlo
Also discovered on 25 March 1998
- (15971) Hestroffer
- (19407) Standing Bear
- (19454) Henrymarr
- (29568) Gobbi-Belcredi
- (33230) Libbyrobertson
- (58750) Simonjeanne