(4542) Mossotti Main-belt Asteroid
Discovered on 30 January 1989 by Osservatorio San Vittore at Bologna.
Where Mossotti is today
Seen from above the solar system on 2026-10-14: Mossotti is 2.90 au from the Sun and 3.87 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4542 |
| Provisional designation | 1989 BO |
| Orbit class | Main-belt Asteroid |
| Diameter | 18.0 km (#2,491 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.216 |
| Rotation period | 2.93 hours |
| Absolute magnitude (H) | 11.66 |
| Orbital period | 5.23 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.85 – 3.17 au |
| Eccentricity | 0.0526 |
| Inclination | 11.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.84 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 30 January 1989
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
- (4705) Secchi
← (4541) Mizuno · (4543) Phoinix →