(3951) Zichichi Main-belt Asteroid
Discovered on 13 February 1986 by Osservatorio San Vittore at Bologna.
Where Zichichi is today
Seen from above the solar system on 2026-10-14: Zichichi is 2.74 au from the Sun and 3.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3951 |
| Provisional designation | 1986 CK1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.72 km (#7,972 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.325 |
| Rotation period | 3.39 hours |
| Absolute magnitude (H) | 13.01 |
| Orbital period | 3.58 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 1.93 – 2.75 au |
| Eccentricity | 0.174 |
| Inclination | 5.42° |
| Closest distance between its orbit and Earth's (MOID) | 0.947 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.