(31429) Diegoazzaro Main-belt Asteroid
Discovered on 21 January 1999 by V. S. Casulli at Colleverde.
Diego Azzaro (1925-2014) was an Italian amateur astronomer. A popularizer of astronomy, he was president of the association ASTRIS and Astronomical Observatory of Cervara di Roma.Naming citation (MPC batch dated 2017-10-05), IAU / Minor Planet Center, via NASA/JPL
Where Diegoazzaro is today
Seen from above the solar system on 2026-10-14: Diegoazzaro is 2.55 au from the Sun and 2.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31429 |
| Provisional designation | 1999 BL7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.47 km (#16,316 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.418 |
| Rotation period | 36.9 hours |
| Absolute magnitude (H) | 14.85 |
| Orbital period | 3.51 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 2.07 – 2.55 au |
| Eccentricity | 0.103 |
| Inclination | 7.93° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Diego
All asteroids named after someone called Diego
Also discovered on 21 January 1999
- (27178) Quino
- (29736) Fichtelberg
- (29737) Norihiro
- (31431) Cabibbo
- (35683) Broumov
- (53141) Marcmoniez
- (79900) Coreglia
- (152750) Brloh