(130391) 2000 JG81

(130391) 2000 JG81
Discovery
Discovered by La Silla Observatory[1]
Discovery date May 6, 2000
Designations
MPC designation (130391) 2000 JG81
Alternate name(s) none
Minor planet
category
twotino[2][3]
Aphelion 61.546 AU
Perihelion 34.172 AU
Semi-major axis 47.859 AU
Eccentricity 0.286
Orbital period 120951 d 331.15 (a)[4]
Mean anomaly 11.3°
Inclination 23.4°
Longitude of ascending node 45.9°
Argument of perihelion 170.1°
Physical characteristics
Dimensions 67 km[5]
Albedo 0.09 (assumed)
Absolute magnitude (H) 7.9

(130391) 2000 JG81, also written as 2000 JG81, is a trans-Neptunian object that resides in the Kuiper belt. It was discovered on May 6, 2000 at the La Silla Observatory.

It is in a 2:1 orbital resonance with the planet Neptune.

When it was first discovered in 2000, it was assumed to be a plutino at perihelion.[6]

References

  1. ^ List Of Transneptunian Objects
  2. ^ "MPEC 2009-J35 :Distant Minor Planets (2009 MAY 29.0 TT)". Minor Planet Center. 2009-05-08. http://www.cfa.harvard.edu/mpec/K09/K09J35.html. Retrieved 2009-05-12. 
  3. ^ Marc W. Buie (2006/04/28 using 18 observations). "Orbit Fit and Astrometric record for 130391". SwRI (Space Science Department). http://www.boulder.swri.edu/~buie/kbo/astrom/130391.html. Retrieved 2009-05-12. 
  4. ^ AstDyS: (130391) 2000JG81
  5. ^ List of known trans-Neptunian objects
  6. ^ "MPEC 2000-K31: 2000 JF81, 2000 JG81, 2000 JH81, 2000 KK4, 2000 KL4". Minor Planet Center. 2000-05-29. http://sao-www.cfa.harvard.edu/iau/mpec/K00/K00K31.html. Retrieved 2009-01-30.