(673087) 2015 AJ281 explained

Minorplanet:yes
Background:
  1. C2E0FF
Discovered:2011
Mp Category:plutino
Epoch:31 May 2020 (JD 2459000.5)
Aphelion:48.835abbr=onNaNabbr=on
Perihelion:37.564AU
Semimajor:43.199AU
Eccentricity:0.130456
Period:283.94 yr (103,709 d)
Inclination:26.805°
Asc Node:256.130°
Mean Anomaly:284.586°
Arg Peri:8.233°
Dimensions:503 km for assumed albedo of 0.07, but likely much smaller if a haumeid
Abs Magnitude:5.0
Mean Motion: / day
Uncertainty:3

(also designated ) is a magnitude-5.0 trans-Neptunian object that was discovered in 2011. Its orbital elements were very uncertain and it was lost. It was recovered on 6 January 2015 as . has been identified as a member of the Haumea family in a dynamical study led by Proudfoot and Ragozzine in 2019.[1]

Notes and References

  1. Modeling the Formation of the Family of the Dwarf Planet Haumea. Benjamin. Proudfoot. Darin. Ragozzine. The Astronomical Journal. May 2019. 157. 6. 230. 1904.00038. 10.3847/1538-3881/ab19c4. 2019AJ....157..230P . 90262136 . free .