(13225) Manfredi Main-belt Asteroid
Discovered on 29 August 1997 by Osservatorio San Vittore at Bologna.
The brothers Eustachio (1674-1739), Gabriele (1681-1761) and Eraclito (1682-1759) Manfredi were professors at the University of Bologna, of astronomy, mathematics and medicine-cum-geometry. Eustachio was the author of the famous Istituzioni astronomiche, published as the second volume of his works.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Manfredi is today
Seen from above the solar system on 2026-10-14: Manfredi is 2.97 au from the Sun and 3.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13225 |
| Provisional designation | 1997 QU1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.11 km (#10,419 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.186 |
| Absolute magnitude (H) | 13.97 |
| Orbital period | 4.99 years |
| Semi-major axis | 2.92 au |
| Perihelion – aphelion | 2.74 – 3.10 au |
| Eccentricity | 0.0609 |
| Inclination | 2.47° |
| Closest distance between its orbit and Earth's (MOID) | 1.75 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.