(10645) Brac Main-belt Asteroid
Discovered on 14 March 1999 by K. Korlevic at Visnjan.
Brač is an island in the central part of the Adriatic sea and home of the Pustinja Blaca Hermitage Observatory.Naming citation (20051215/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Brac is today
Seen from above the solar system on 2026-10-14: Brac is 2.80 au from the Sun and 3.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10645 |
| Provisional designation | 1999 ES4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.3 km (#4,944 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.202 |
| Rotation period | 2.79 hours |
| Absolute magnitude (H) | 12.7 |
| Orbital period | 4.33 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.17 – 3.14 au |
| Eccentricity | 0.183 |
| Inclination | 12.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.19 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.