(20451) Galeotti Main-belt Asteroid
Discovered on 15 May 1999 by LONEOS at Anderson Mesa.
Piero Galeotti (b. 1942), professor of physics at the University of Torino, is involved in experimental cosmic-ray physics and neutrino astrophysics. He is also very active in scholarly and popular conferences. The name was suggested by V. Zappalà.Naming citation (20080321/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Galeotti is today
Seen from above the solar system on 2026-10-14: Galeotti is 2.52 au from the Sun and 2.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20451 |
| Provisional designation | 1999 JR134 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.49 km (#13,985 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.209 |
| Absolute magnitude (H) | 14.94 |
| Orbital period | 3.18 years |
| Semi-major axis | 2.16 au |
| Perihelion – aphelion | 1.72 – 2.60 au |
| Eccentricity | 0.205 |
| Inclination | 5.81° |
| Closest distance between its orbit and Earth's (MOID) | 0.701 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Piero
- (5727) Pierobenvenuti
- (7866) Sicoli
- (11605) Ranfagni
- (18079) Lion-Stoppato
- (24856) Messidoro
- (44574) Lavoratti
- (46720) Pierostroppa
- (61195) Martinoli
- (288615) Tempesti
All asteroids named after someone called Piero