1765 Wrubel

1765 Wrubel
Discovery
Discovered byIndiana University
(Indiana Asteroid Program)
Discovery siteGoethe Link Obs.
Discovery date15 December 1957
Designations
(1765) Wrubel
Named after
Marshal Henry Wrubel
(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)
Orbital characteristics
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc99.58 yr (36,371 days)
Aphelion3.7354 AU
Perihelion2.6127 AU
3.1741 AU
Eccentricity0.1769
5.65 yr (2,065 days)
314.43°
0° 10m 27.48s / day
Inclination19.945°
70.185°
265.28°
Physical characteristics
Dimensions37.704±0.731 km
38.299±0.226 km
42.20±0.48 km
42.33 km (SIMPS)
5.260±0.002 h
0.1061 (SIMPS)
0.113±0.003
0.130±0.029
0.1360±0.0153
Tholen = DX
B–V = 0.750
U–B = 0.270
9.92 · 10.06±0.12

    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. The asteroid was named after Marshal Henry Wrubel, professor at Indiana University.