(182294) 2001 KU76

(182294) 2001 KU₇₆
Discovery^[1]
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° 0^m 11.686^s / 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]

(182294) 2001 KU₇₆ (provisional designation 2001 KU₇₆) is a trans-Neptunian object (TNO) that has a possible 6:11 resonance with Neptune.^[2]^[3]

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]

Resonance

Simulations by Lykawka in 2007 show that 2001 KU₇₆ may be librating in the 6:11 resonance with Neptune.^[2] Buie classifies it as probably in resonance, although some possible orbits do not librate.^[3] 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]

References

^ ^a ^b ^c ^d ^e "JPL Small-Body Database Browser: 182294 (2001 KU76)" (2008-05-03 last obs). Retrieved 7 April 2016.
^ ^a ^b ^c Lykawka, Patryk Sofia; Mukai, Tadashi (July 2007). "Dynamical classification of trans-neptunian objects: Probing their origin, evolution, and interrelation". Icarus. 189 (1): 213–232. Bibcode:2007Icar..189..213L. doi:10.1016/j.icarus.2007.01.001.
^ ^a ^b ^c Buie, Marc W. "Orbit Fit and Astrometric record for 182294" (2008-05-03 using 29 observations). SwRI (Space Science Department). Retrieved 2009-02-06.
^ JPL Horizons Observer Location: @sun (Perihelion occurs when deldot changes from negative to positive. Uncertainty in time of perihelion is 3-sigma.)
^ ^a ^b Johnston, Wm. Robert (22 August 2008). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 2009-02-06.
^ Brown, Michael E. "How many dwarf planets are there in the outer solar system? (updates daily)". California Institute of Technology. Archived from the original on 2011-10-18. Retrieved 2012-09-04.

External links

(182294) 2001 KU76 at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

v t e Minor planets navigator
(182294) 2001 KU₇₆

Small Solar System bodies

Minor planets

Designation Groups List Moon Meanings of names
Asteroid	Active Aten asteroid Asteroid belt Family Jupiter trojan Near-Earth Spectral types
Distant minor planet	Centaur Neptune trojan Damocloid Trans-Neptunian object Detached Kuiper belt Oort cloud Scattered disc

Comets

Other

v t e Trans-Neptunian objects
TNO classes	Cubewanos Scattered-disc objects Detached objects Resonant objects Neptune trojans Plutinos Twotinos TNO moons
Dwarf planets (moons)	Orcus Vanth Pluto Charon Styx Nix Kerberos Hydra Haumea Namaka Hiʻiaka Ring Quaoar Weywot Rings Makemake MK2 Gonggong Xiangliu Eris Dysnomia Sedna
Sednoids	90377 Sedna 2012 VP113 541132 Leleākūhonua

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