(17556) Pierofrancesca Main-belt Asteroid
Discovered on 16 November 1993 by V. S. Casulli at Colleverde.
Piero della Francesca (1416-1492) was an Italian Renaissance painter and member of the second generation of Humanists.Naming citation (20120406/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Pierofrancesca is today
Seen from above the solar system on 2026-10-14: Pierofrancesca is 2.14 au from the Sun and 3.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17556 |
| Provisional designation | 1993 WB |
| Orbit class | Main-belt Asteroid |
| Rotation period | 9.17 hours |
| Absolute magnitude (H) | 14.85 |
| Orbital period | 3.56 years |
| Semi-major axis | 2.33 au |
| Perihelion – aphelion | 1.91 – 2.76 au |
| Eccentricity | 0.182 |
| Inclination | 1.74° |
| Closest distance between its orbit and Earth's (MOID) | 0.924 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.