(10931) Ceccano Main-belt Asteroid
Discovered on 16 February 1998 by G. Masi at Ceccano.
Ceccano, where the discovery observations of this minor planet were made, is a small city, some 90 km southeast of Rome.Naming citation (19990928/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ceccano is today
Seen from above the solar system on 2026-10-14: Ceccano is 2.59 au from the Sun and 2.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10931 |
| Provisional designation | 1998 DA |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.7 km (#4,239 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0790 |
| Rotation period | 4.45 hours |
| Absolute magnitude (H) | 13.35 |
| Orbital period | 4.42 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.55 – 2.84 au |
| Eccentricity | 0.0543 |
| Inclination | 6.32° |
| Closest distance between its orbit and Earth's (MOID) | 1.53 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.