1765 Wrubel
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1765 Wrubel, provisional designation 1957 XB, is a dark background asteroid from the outer regions of the asteroid belt, approximately 40 kilometers in diameter. It was discovered on 15 December 1957, by astronomers of the Indiana Asteroid Program at Goethe Link Observatory in Indiana, United States.[8] The asteroid was named after Marshal Henry Wrubel, professor at Indiana University.[2]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
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Discovered by | Indiana University (Indiana Asteroid Program) |
Discovery site | Goethe Link Obs. |
Discovery date | 15 December 1957 |
Designations | |
(1765) Wrubel | |
Named after | Marshal Henry Wrubel[2] (astronomy professor at IU) |
1957 XB · 1938 JB 1945 VA · 1949 HK1 1951 XB1 · 1955 KQ 1966 KA · A906 XA A917 XA | |
main-belt · (outer)[3] | |
Orbital characteristics[1] | |
Epoch 4 September 2017 (JD 2458000.5) | |
Uncertainty parameter 0 | |
Observation arc | 99.58 yr (36,371 days) |
Aphelion | 3.7354 AU |
Perihelion | 2.6127 AU |
3.1741 AU | |
Eccentricity | 0.1769 |
5.65 yr (2,065 days) | |
314.43° | |
0° 10m 27.48s / day | |
Inclination | 19.945° |
70.185° | |
265.28° | |
Physical characteristics | |
Dimensions | 37.704±0.731 km[4] 38.299±0.226 km[5] 42.20±0.48 km[6] 42.33 km (SIMPS)[3] |
5.260±0.002 h[lower-alpha 1] | |
0.1061 (SIMPS)[3] 0.113±0.003[6] 0.130±0.029[5] 0.1360±0.0153[4] | |
Tholen = DX[1][3] B–V = 0.750[1] U–B = 0.270[1] | |
9.92[1][3][4][6] · 10.06±0.12[7] | |
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