(182294) 2001 KU76, provisionally known as 2001 KU76, is a trans-Neptunian object (TNO) that has a possible 6:11 resonance with Neptune.[2][3]
Discovery[1] | |
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Discovered by | Buie, M. W. |
Discovery date | 24 May 2001 |
Designations | |
MPC designation | (182294) 2001 KU76 |
Minor planet category | Trans-Neptunian object 6:11 resonance?[2][3] |
Orbital characteristics[1] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 4 | |
Observation arc | 2536 days (6.94 yr) |
Aphelion | 52.656 AU (7.8772 Tm) (Q) |
Perihelion | 37.693 AU (5.6388 Tm) (q) |
Semi-major axis | 45.175 AU (6.7581 Tm) (a) |
Eccentricity | 0.16561 (e) |
Orbital period (sidereal) | 303.63 yr (110903 d) |
Mean anomaly | 354.46° (M) |
Mean motion | 0° 0m 11.686s / day (n) |
Inclination | 10.637° (i) |
Longitude of ascending node | 44.987° (Ω) |
Time of perihelion | ≈ 6 December 2021[4] ±3 months |
Argument of perihelion | 204.39° (ω) |
Earth MOID | 36.6816 AU (5.48749 Tm) |
Jupiter MOID | 32.3615 AU (4.84121 Tm) |
Physical characteristics | |
Dimensions | 211 km (assumed)[5] |
Geometric albedo | 0.09 (assumed) |
Absolute magnitude (H) | 6.6[1] |
It will come to perihelion around December 2021.[4]
Assuming a generic TNO albedo of 0.09, it is about 211 km in diameter.[5] The assumed diameter of this object makes it a possible dwarf planet.[6]
Simulations by Lykawka in 2007 show that (182294) 2001 KU76 may be librating in the 11:6 resonance with Neptune.[2] Buie classifies it as probably in resonance, although some possible orbits do not librate.[3] (182294) 2001 KU76 has a semi-major axis of 45 AU and an orbital period of about 302 years.[1]
It has been observed 29 times over 6 years and has an orbit quality code of 4.[1]
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Trans-Neptunian objects | |
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Dwarf planets (moons) | |
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