2011 GM27

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2011 GM27
Discovery date 2011
MPC designation 2011 GM27
Minor planet category transient TNO
Orbital characteristics[2]
Epoch JD 2456200.5 (September 30, 2012)
Aphelion 43.8156 AU
Perihelion 43.4225 AU
Semi-major axis 43.619 AU
Eccentricity 0.0045
Orbital period 288 yr
Mean anomaly 13.1°
Inclination 13.045°
Longitude of ascending node 256.99°
Argument of perihelion 273°
Physical characteristics
Dimensions 478 km (assumed)[3]
Albedo 0.07 (assumed)[3]
Absolute magnitude (H) 5.2[2]

2011 GM27 is a transient trans-Neptunian object orbiting the Sun, and a centaur in an extended definition of "centaur". It was discovered in 2011. With an absolute magnitude of 5.2,[2] it is probably dwarf planet.[3] It has a Tisserand's parameter relative to Jupiter of 5.627.[2]


  1. ^ "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. Retrieved 2012-08-31. 
  2. ^ a b c d "JPL Small-Body Database Browser: (2011 GM27)". 2011-05-31 last obs. Retrieved 2012-08-31. 
  3. ^ a b c Michael E. Brown. "How many dwarf planets are there in the outer solar system? (updates daily)". California Institute of Technology. Retrieved 2012-08-31. 

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