323 Brucia
Phocaea asteroid / From Wikipedia, the free encyclopedia
Brucia (minor planet designation: 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.[14]
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
---|---|
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 [2] (American philanthropist) |
1934 JC · A923 JA | |
main-belt · (inner) Phocaea [3] · ex-Mars-crosser[4] | |
Orbital characteristics [1] | |
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[5] 29.23±2.92 km[6] 32.395±0.317 km[7] 35.82±1.7 km[4][8] 37.29±0.76 km[9] |
9.46 h[10] 9.4602±0.0001 h[11] 9.463±0.005 h[12] 10 h[4] | |
0.165±0.007[9] 0.1765±0.018[8] 0.2174±0.0421[7] 0.265±0.053[6] 0.295±0.046[5] | |
Tholen = S [1][4] B–V = 0.893[1] U–B = 0.480[1] | |
9.09±0.58[13] · 9.73[1][4][6][7][8][9] | |
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