10645 Brač
| Discovery | |
|---|---|
| Discovered by | K. Korlević |
| Discovery site | Višnjan Obs. |
| Discovery date | 14 March 1999 |
| Designations | |
| (10645) Brač | |
Named after | Brač (Croatian island) |
| 1999 ES4 · 1962 TN 1968 BF · 1975 TJ1 1980 YK · 1986 EH5 1988 SX4 | |
| main-belt · Eunomia | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 54.67 yr (19,968 days) |
| Aphelion | 3.1430 AU |
| Perihelion | 2.1725 AU |
| 2.6578 AU | |
| Eccentricity | 0.1826 |
| 4.33 yr (1,583 days) | |
| 224.98° | |
| 0° 13m 39s / day | |
| Inclination | 12.520° |
| 351.57° | |
| 44.961° | |
| Physical characteristics | |
| Dimensions | 9.60 km (calculated) 10.26±0.11 km |
| 2.785±0.005 h 2.78592±0.00003 h | |
| 0.202±0.038 0.21 (assumed) | |
| S · LS | |
| 12.5 · 12.4 · 12.3 · 12.41±0.50 | |
10645 Brač, provisional designation 1999 ES4, is a stony Eunomia asteroid from the central region of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 14 March 1999, by Croatian astronomer Korado Korlević at Višnjan Observatory, and named after the Croatian island of Brač.