323 Brucia
Orbital diagram of Brucia | |
| Discovery | |
|---|---|
| Discovered by | M. F. Wolf |
| Discovery site | Heidelberg Obs. |
| Discovery date | 22 December 1891 |
| Designations | |
| (323) Brucia | |
| Pronunciation | /ˈbruːsiə, ˈbruːʃə/ |
Named after | Catherine Wolfe Bruce (American philanthropist) |
| 1934 JC · A923 JA | |
| main-belt · (inner) Phocaea · ex-Mars-crosser | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 125.35 yr (45,785 days) |
| Aphelion | 3.0979 AU |
| Perihelion | 1.6662 AU |
| 2.3820 AU | |
| Eccentricity | 0.3005 |
| 3.68 yr (1,343 days) | |
| 106.64° | |
| 0° 16m 5.16s / day | |
| Inclination | 24.230° |
| 97.398° | |
| 291.26° | |
| Mars MOID | 0.3464 AU |
| Physical characteristics | |
| Dimensions | 27.714±0.300 km 29.23±2.92 km 32.395±0.317 km 35.82±1.7 km 37.29±0.76 km |
| 9.46 h 9.4602±0.0001 h 9.463±0.005 h 10 h | |
| 0.165±0.007 0.1765±0.018 0.2174±0.0421 0.265±0.053 0.295±0.046 | |
| Tholen = S B–V = 0.893 U–B = 0.480 | |
| 9.09±0.58 · 9.73 | |
323 Brucia is a stony Phocaea asteroid and former Mars-crosser from the inner regions of the asteroid belt, approximately 33 kilometers (21 miles) in diameter. It was the first asteroid to be discovered by the use of astrophotography.