2006 HJ123

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2006 HJ123
Discovery[1]
Discovered by Marc W. Buie
Discovery date 24 April 2006
Designations
none
Minor planet category TNO (plutino)[2]
Orbital characteristics[3]
Epoch 14 March 2012 (JD 2456000.5 )
Aphelion 51.18 AU
Perihelion 27.43 AU
39.31 AU
Eccentricity 0.302
246.45 a (90,015.08 d)
302.54°
Inclination 12.48°
222.59°
102.76°
Physical characteristics
Dimensions 283.1+142.3
−110.8
 km[4]
Albedo 0.136+0.308
−0.089
[4]
Temperature ~44 K
5.32 ± 0.66[4]

2006 HJ123 (also written 2006 HJ123) is a trans-Neptunian object (TNO). It was discovered in 2006 by Marc W. Buie. The object is a plutino (in 2:3 resonance with Neptune).[2]

Physical properties[edit]

The size of 2006 HJ123 was measured by the Herschel Space Telescope to be 283.1+142.3
−110.8
 km.[4]

References[edit]

  1. ^ "List Of Transneptunian Objects". IAU Minor Planet Center. Retrieved 14 May 2012. 
  2. ^ a b Marsden, Brian G. (2006-06-11). "MPEC 2006-L50 : 2006 HF123, 2006 HG123, 2006 HH123, 2006 HJ123". IAU Minor Planet Center. Harvard-Smithsonian Center for Astrophysics. Retrieved 2012-05-14. 
  3. ^ "JPL Small-Body Database Browser: (2006 HJ123)". 2012-05-14 last obs. Retrieved 2012-05-14. 
  4. ^ a b c d Mommert, Michael; Harris, A. W.; Kiss, C.; Pál, A.; Santos-Sanz, P.; Stansberry, J.; Delsanti, A.; Vilenius, E.; Müller, T. G.; Peixinho, N.; Lellouch, E.; Szalai, N.; Henry, F.; Duffard, R.; Fornasier, S.; Hartogh, P.; Mueller, M.; Ortiz, J. L.; Protopapa, S.; Rengel, M.; Thirouin, A. (May 2012). "TNOs are cool: A survey of the trans-Neptunian region—V. Physical characterization of 18 Plutinos using Herschel-PACS observations". Astronomy & Astrophysics 541: A93. arXiv:1202.3657. Bibcode:2012A&A...541A..93M. doi:10.1051/0004-6361/201118562.  edit

External links[edit]