2013 RA₁₀₉, is an extreme trans-Neptunian object discovered on September 12, 2013. This object orbits the Sun between 46.0 and 869 AU (6.9 and 130 billion km), and has an orbital period of 9786 years.

2013 RA₁₀₉

2013 RA109 (white orbit) with other extreme Trans-Neptunian objects
Discovery
Discovery site	Cerro Tololo Inter-American Observatory, Chile Dark Energy Camera
Discovery date	12 September 2013
Designations
MPC designation	2013 RA109
Minor planet category	TNO · detached
Orbital characteristics
Epoch 27 April 2019 (JD 2458600.5)
Observation arc	3.21 yr[1]
Aphelion	869.0390 ± 30.9 AU[1] (130.0 ± 4.6 billion km; 80.8 ± 2.9 billion mi)
Perihelion	45.9861 ± 0.0461 AU[1] (6.88 ± 0.01 billion km; 4.27 ± 0.00 billion mi)
Semi-major axis	457.5125 ± 16.268 AU[1] (68.4 ± 2.4 billion km; 42.5 ± 1.5 billion mi)
Eccentricity	0.899487±0.003554[1]
Orbital period (sidereal)	9786.17±521.9 yr[1]
Mean anomaly	359.292°±0.034°[1]
Mean motion	0.4410±0.0211 arcsec/day[1]
Inclination	12.4048°±0.0004°[1]
Longitude of ascending node	104.6820°±0.0206°[1]
Argument of perihelion	262.8411°±0.44427°[1]
Jupiter MOID	41.1309 AU[1] (6.2 billion km; 3.8 billion mi)
Physical characteristics
Absolute magnitude (H)	6.1517[1]

References

External links

• 2013 RA109 at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

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