(13223) Cenaceneri Main-belt Asteroid
Discovered on 13 August 1997 by L. Tesi at San Marcello.
La Cena delle Ceneri (“The Dinner of the Ashes”) is a work by the Italian philosopher Giordano Bruno (1548-1600) in which, for the first time in Western philosophical thought, there is discussion of the infinity of worlds in the universe.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Cenaceneri is today
Seen from above the solar system on 2026-10-14: Cenaceneri is 2.69 au from the Sun and 3.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13223 |
| Provisional designation | 1997 PQ4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.12 km (#16,886 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.271 |
| Absolute magnitude (H) | 15.44 |
| Orbital period | 3.42 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 1.85 – 2.70 au |
| Eccentricity | 0.186 |
| Inclination | 7.72° |
| Closest distance between its orbit and Earth's (MOID) | 0.844 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.