Discovery | |
---|---|
Discovered by | M. E. Brown, C. Trujillo, D. Rabinowitz[1] |
Discovery date | 26 July 2003 |
Designations | |
(120178) 2003 OP32 | |
Cubewano (MPC)[2] Extended (DES)[3] | |
Orbital characteristics[4] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 3 | |
Observation arc | 9205 days (25.20 yr) |
Aphelion | 47.620 AU (7.1239 Tm) |
Perihelion | 38.480 AU (5.7565 Tm) |
43.050 AU (6.4402 Tm) | |
Eccentricity | 0.10615 |
282.47 yr (103172 d) | |
Average orbital speed | 4.51 km/s |
71.841° | |
0° 0m 12.561s / day | |
Inclination | 27.219° |
182.930° | |
67.082° | |
Jupiter MOID | 33.5815 AU (5.02372 Tm) |
TJupiter | 5.208 |
Physical characteristics | |
Dimensions | 230 km[5][6] |
9.71 h (0.405 d) | |
8.45 h[7] | |
0.7 (assumed) | |
Temperature | ~42 K |
(Neutral) B−V=0.70, V-R=0.39[8] B0-V0=0.698[7] | |
3.8[4] | |
(120178) 2003 OP32, also written as (120178) 2003 OP32, is a trans-Neptunian object (TNO) that resides in the Kuiper belt. It was discovered on July 26, 2003 by Michael E. Brown, Chad Trujillo and David L. Rabinowitz at Palomar Mountain in California.