2011 FW62, also designated 2015 AJ281, is a magnitude-5.0 trans-Neptunian object that was discovered in 2011.[2] Its orbital elements were very uncertain and it was lost. It was recovered on 6 January 2015 as 2015 AJ281. 2011 FW62 has been identified as a member of the Haumea family in a dynamical study led by Proudfoot and Ragozzine in 2019.[4]
| Discovery | |
|---|---|
| Discovery date | 2011 |
| Designations | |
MPC designation | 2011 FW62 · 2015 AJ281 |
Minor planet category | plutino[1] |
| Orbital characteristics[2] | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter 3 | |
| Aphelion | 48.835 AU (7.3056 Tm) |
| Perihelion | 37.564 AU (5.6195 Tm) |
Semi-major axis | 43.199 AU (6.4625 Tm) |
| Eccentricity | 0.130456 |
Orbital period (sidereal) | 283.94 yr (103,709 d) |
Mean anomaly | 284.586° |
Mean motion | 0° 0m 12.497s / day |
| Inclination | 26.805° |
Longitude of ascending node | 256.130° |
Argument of perihelion | 8.233° |
| Physical characteristics | |
| Dimensions | 503 km for assumed albedo of 0.07,[3] but likely much smaller if a haumeid |
Absolute magnitude (H) | 5.0 [2] |
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