2010 TJ

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2010 TJ
Discovery [1][2]
Discovery site La Silla Obs.
Discovery date 2 October 2010
(first observed only)
Designations
MPC designation 2010 TJ
TNO[2] · SDO[3]
Orbital characteristics[2]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 5
Observation arc 2.28 yr (831 days)
Aphelion 84.893 AU
Perihelion 39.897 AU
62.395 AU
Eccentricity 0.3606
492.87 yrs
12.351°
0° 0m 7.2s / day
Inclination 38.932°
91.224°
273.73°
Physical characteristics
Dimensions 478 km (assumed)[4]
0.07 (assumed)[4]
5.0[2]

2010 TJ is a trans-Neptunian object orbiting the Sun in the scattered disc. It was first observed by astronomers at ESO's La Silla Observatory on 2 October 2010. With an absolute magnitude of 5.0, it is probably a dwarf planet.[2][4]

References[edit]

  1. ^ "2010 TJ". Minor Planet Center. Retrieved 26 August 2017. 
  2. ^ a b c d e "JPL Small-Body Database Browser: (2010 TJ)" (2013-01-10 last obs.). Jet Propulsion Laboratory. Retrieved 26 August 2017. 
  3. ^ "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. Retrieved 2012-08-31. 
  4. ^ a b c Michael E. Brown. "How many dwarf planets are there in the outer solar system? (updates daily)". California Institute of Technology. Retrieved 1 August 2017. 

External links[edit]