(4540) Oriani Main-belt Asteroid
Discovered on 6 November 1988 by Osservatorio San Vittore at Bologna.
Where Oriani is today
Seen from above the solar system on 2026-10-14: Oriani is 3.13 au from the Sun and 2.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4540 |
| Provisional designation | 1988 VY1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 14.9 km (#3,158 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0870 |
| Rotation period | 30.4 hours |
| Absolute magnitude (H) | 12.67 |
| Orbital period | 4.36 years |
| Semi-major axis | 2.67 au |
| Perihelion – aphelion | 2.21 – 3.13 au |
| Eccentricity | 0.172 |
| Inclination | 6.36° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 6 November 1988
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
- (4542) Mossotti
- (4705) Secchi
← (4539) Miyagino · (4541) Mizuno →