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(120178) 2003 OP32

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Discovery date  26 July 2003
Observation arc  9205 days (25.20 yr)
Discovered  26 July 2003
Argument of perihelion  67.082°
Discovery site  Palomar Observatory
MPC designation  (120178) 2003 OP32
Aphelion  47.620 AU (7.1239 Tm)
Inclination  27.219°
Asteroid family  Haumea family
Discovered by  M. E. Brown, C. Trujillo, D. Rabinowitz
Minor planet category  Cubewano (MPC) Extended (DES)
Discoverers  Michael E. Brown, Chad Trujillo, David L. Rabinowitz
Similar  (119951) 2002 KX14, (84922) 2003 VS2, 2008 ST291, (229762) 2007 UK126, 38083 Rhadamanthus

(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.


Based on their common pattern of infrared water-ice absorption and the clustering of their orbital elements, 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.


(120178) 2003 OP32 Wikipedia