2003 UA₄₁₄

Discovery
Discovered by	Pan-STARRS
Discovery site	Haleakala Observatory
Discovery date	18 October 2003
Designations
MPC designation	2003 UA414
Minor planet category	TNO · resonant (2:9) p-DP · distant
Orbital characteristics[1]
Epoch 2016-Jul-31 (JD 2457600.5)
Uncertainty parameter 2
Observation arc	11.11 yr (4058 d)
Aphelion	126.16 AU (18.8735 Tm) (Q)
Perihelion	36.48 AU (5.4574 Tm) (q)
Semi-major axis	81.321 AU (12.1655 Tm) (a)
Eccentricity	0.5513 (e)
Orbital period (sidereal)	267883±65 d (733.4 yr)
Mean anomaly	19.86°
Inclination	22.41° (i)
Longitude of ascending node	0.013° (Ω)
Argument of perihelion	101.06° (ω)

2003 UA₄₁₄ is a trans-Neptunian object in 2:9 resonance with Neptune. It is a possible dwarf planet due to its large diameter, with current estimates ranging from 385 to 500 km (239 to 311 mi).

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