(257439) Peppeprosperini Main-belt Asteroid
Discovered on 9 August 2010 by Frasso Sabino at Frasso Sabino.
Giuseppe Prosperini (1937-2005) was an active amateur astronomer who observed lunar and minor-planet occultations. He took part in several international surveys, popularized astronomy and help found the Frasso Sabino Observatory.Naming citation (20111012/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Peppeprosperini is today
Seen from above the solar system on 2026-10-14: Peppeprosperini is 2.62 au from the Sun and 3.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 257439 |
| Provisional designation | 2010 PL23 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.65 |
| Orbital period | 4.29 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.29 – 2.98 au |
| Eccentricity | 0.131 |
| Inclination | 8.25° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Giuseppe
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All asteroids named after someone called Giuseppe