1512 Oulu

1512 Oulu
Hubble Space Telescope image of Oulu taken in 2012
Discovery[1]
Discovered byH. Alikoski
Discovery siteTurku Obs.
Discovery date18 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 arc78.06 yr (28,510 days)
Aphelion4.5541 AU
Perihelion3.3892 AU
3.9717 AU
Eccentricity0.1466
7.92 yr (2,891 days)
333.83°
0° 7m 28.2s / day
Inclination6.4785°
10.168°
238.20°
Jupiter MOID0.6287 AU
Physical characteristics
Dimensions65.0 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]

  1. ^ a b c d e f Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference lcdb was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference Shevchenko-2006 was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Grav-2012a was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference SIMPS was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Galad-2010a was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Mainzer-2011 was invoked but never defined (see the help page).
  11. ^ a b Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference MPC-Oulu was invoked but never defined (see the help page).