(9425) Marconcini Main-belt Asteroid
Discovered on 14 February 1996 by Tombelli, M., Munari, U. at Cima Ekar.
Massimiliano Marconcini (b. 1955) is an amateur astronomer of the Montelupo group. A 1988 architecture graduate from the University of Florence, he designed the public observatory of Montelupo.Naming citation (WGSBN Bull. 4, #13, 4), IAU / Minor Planet Center, via NASA/JPL
Where Marconcini is today
Seen from above the solar system on 2026-10-14: Marconcini is 1.89 au from the Sun and 1.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9425 |
| Provisional designation | 1996 CM7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.06 km (#12,594 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.269 |
| Absolute magnitude (H) | 14.29 |
| Orbital period | 3.54 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 1.80 – 2.84 au |
| Eccentricity | 0.225 |
| Inclination | 9.22° |
| Closest distance between its orbit and Earth's (MOID) | 0.820 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Massimiliano
All asteroids named after someone called Massimiliano
Also discovered on 14 February 1996
- (7715) Leonidarosino
- (7847) Mattiaorsi
- (7900) Portule
- (9426) Aliante
- (9427) Righini
- (9897) Malerba
- (10175) Aenona
- (10176) Gaiavettori
- (12811) Rigonistern
- (12812) Cioni
- (12813) Paolapaolini
- (13174) Timossi