(73465) Buonanno Main-belt Asteroid
Discovered on 10 July 2002 by Campo Imperatore Near Earth Object Survey at Campo Imperatore.
Roberto Buonanno (b. 1947) is an expert in stellar evolution and director of the Osservatorio Astronomico di Roma. He created the Planetary Sciences team at the OAR and supported research programs devoted to near-Earth objects and to the study of the physical properties of the small bodies of the solar system.Naming citation (WGSBN Bull. 5, #28, 6), IAU / Minor Planet Center, via NASA/JPL
Where Buonanno is today
Seen from above the solar system on 2026-10-14: Buonanno is 2.45 au from the Sun and 1.94 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 73465 |
| Provisional designation | 2002 NP55 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.58 km (#13,757 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.219 |
| Absolute magnitude (H) | 14.57 |
| Orbital period | 4.56 years |
| Semi-major axis | 2.75 au |
| Perihelion – aphelion | 2.40 – 3.10 au |
| Eccentricity | 0.126 |
| Inclination | 13.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.44 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Roberto
- (4881) Robmackintosh
- (7323) Robersomma
- (7794) Sanvito
- (8742) Bonazzoli
- (9478) Caldeyro
- (10579) Diluca
- (10590) Ragazzoni
- (12470) Pinotti
- (14919) Robertohaver
- (14964) Robertobacci
- (16996) Dahir
- (19224) Orosei
All asteroids named after someone called Roberto