Back 1512 اولو (كويكب) ARZ (1512) Оулу CE (1512) Oulu German 1512 Όουλου Greek 1512 Oulu Esperanto (1512) Oulu Spanish 1512 Oulu Basque اولو ۱۵۱۲ Persian 1512 Oulu Finnish (1512) Oulu French
 Hubble Space Telescope image of Oulu taken in 2012 | |
| Discovery[1] | |
|---|---|
| Discovered by | H. Alikoski |
| Discovery site | Turku Obs. |
| Discovery date | 18 March 1939 |
| Designations | |
| (1512) Oulu | |
Named after | Oulu (Finnish town)[2] |
| 1939 FE · 1938 CU 1957 TA · 1958 XS | |
| main-belt · Hilda[3] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 78.06 yr (28,510 days) |
| Aphelion | 4.5541 AU |
| Perihelion | 3.3892 AU |
| 3.9717 AU | |
| Eccentricity | 0.1466 |
| 7.92 yr (2,891 days) | |
| 333.83° | |
| 0° 7m 28.2s / day | |
| Inclination | 6.4785° |
| 10.168° | |
| 238.20° | |
| Jupiter MOID | 0.6287 AU |
| Physical characteristics | |
| Dimensions | 65.0 km[4] 65.000±4.137 km[5] 79.222±0.241 km[6] 82.72±2.5 km (IRAS:38)[7] 91.05±2.20 km[8] |
| 132.3±0.1 h[9] | |
| 0.031±0.001[8] 0.0366±0.002 (IRAS:38)[7] 0.038±0.005[6] 0.0536±0.0061[5] 0.0594[4] 0.06±0.03[10] | |
| Tholen = P[1] · X[11] · P[3] B–V = 0.715[1] U–B = 0.190[1] | |
| 9.62[1][3][5][4][7][8] · 9.92±0.40[11] | |
1512 Oulu, provisional designation 1939 FE, is a dark Hildian asteroid, slow rotator and possibly the largest known tumbler orbiting in the outermost region of the asteroid belt. With a diameter of approximately 80 kilometers, it belongs to the fifty largest asteroids in the outer main-belt. The body was discovered on 18 March 1939, by Finnish astronomer Heikki Alikoski at Turku Observatory in Southwest Finland and named for the Finnish town Oulu.[2][12]
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