(120178) 2003 OP32
| Discovery | |
|---|---|
| Discovered by | M. E. Brown, C. Trujillo, D. Rabinowitz[1] |
| Discovery date | July 26, 2003 |
| Designations | |
| MPC designation | (120178) 2003 OP32 |
| Cubewano (MPC)[2] Extended (DES)[3] |
|
| Orbital characteristics[4] | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 47.963 AU (7175.166 Gm) |
| Perihelion | 38.602 AU (5774.750 Gm) |
| 43.282 AU (6474.958 Gm) | |
| Eccentricity | 0.108 |
| 284.76 a (104,007.766 d) | |
|
Average orbital speed
|
4.51 km/s |
| 57.925° | |
| Inclination | 27.189° |
| 182.940° | |
| 69.449° | |
| Physical characteristics | |
| Dimensions | 230 km[5][6] |
|
Sidereal rotation period
|
8.45 h[7] |
| Albedo | 0.7 (assumed) |
| Temperature | ~42 K |
|
Spectral type
|
(Neutral) B−V=0.70, V-R=0.39[8] B0-V0=0.698[7] |
| 3.95[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.
Origin
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Based on their common pattern of infrared water-ice absorption and the clustering of their orbital elements,[9] the other KBOs 1995 SM55, (19308) 1996 TO66, (55636) 2002 TX300 and (145453) 2005 RR43, among others, appear to be collisional fragments broken off the dwarf planet Haumea. The neutral color of the spectrum of these objects in the visible range evidences a lack of complex organics on the surface of these bodies that has been studied in detail for the surface of Haumea.[10]
References
- ↑ List Of Transneptunian Objects
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Assuming a Haumea-like albedo of 0.7
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 7.0 7.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found. Pinilla-Alonso et al. 2007
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- Orbital simulation from JPL (Java) / Ephemeris
- (120178) 2003 OP32 Precovery Images
| Moons |
 |
|
|---|---|---|
| Classification | ||
| Collisional family | ||
| Controversy | ||
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