(416400) 2003 UZ₁₁₇

Hubble Space Telescope image of 2003 UZ117 taken in 2010
Discovery[1][2]
Discovered by	Spacewatch
Discovery site	Kitt Peak National Obs.
Discovery date	24 October 2003
Designations
MPC designation	(416400) 2003 UZ117
Minor planet category	TNO[1][2] · cubewano(?)[3] distant[4] · Haumea[5] Extended[6]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 3
Observation arc	13.23 yr (4,831 days)
Aphelion	49.777 AU
Perihelion	38.325 AU
Semi-major axis	44.051 AU
Eccentricity	0.1300
Orbital period	292.38 yr (106,791 days)
Mean anomaly	339.93°
Mean motion	0° 0m 12.24s / day
Inclination	27.473°
Longitude of ascending node	204.72°
Time of periastron	≈ 20 November 2032[7] ±2 days
Argument of perihelion	247.45°
Physical characteristics
Mean diameter	222+57 −42 km[8]
Rotation period	6 h (poor)[9] 10.61±0.02 h[10]
Geometric albedo	0.29+0.16 −0.11[8]
Spectral type	BB[11] · C[12]
Absolute magnitude (H)	4.92±0.01 (R)[13] · 4.920±0.083 (R)[14] · 5.18±0.03[11] · 5.22[15] · 5.27[12] · 5.27±0.02[16] · 5.3[1] · 5.4[17]

(416400) 2003 UZ₁₁₇ is a trans-Neptunian object and member of the Haumea family, located in the Kuiper belt in the outermost region of the Solar System. It was discovered on 24 October 2003, by astronomers of the Spacewatch survey project at Kitt Peak Observatory, Arizona.^[4] The object may also be a non-resonant cubewano.^[3]

1. ↑ ^{1.0 1.1 1.2 1.3} Cite error: The named reference jpldata was used but no text was provided for refs named (see the help page).
2. ↑ ^{2.0 2.1} Cite error: The named reference MPC-TNO-list was used but no text was provided for refs named (see the help page).
3. ↑ ^{3.0 3.1} Cite error: The named reference johnstonsarchive-TNO-list was used but no text was provided for refs named (see the help page).
4. ↑ ^{4.0 4.1} Cite error: The named reference MPC-object was used but no text was provided for refs named (see the help page).
5. ↑ Cite error: The named reference Pinilla-Alonso-2009 was used but no text was provided for refs named (see the help page).
6. ↑ Cite error: The named reference Buie was used but no text was provided for refs named (see the help page).
7. ↑ JPL Horizons Observer Location: @sun (Perihelion occurs when deldot changes from negative to positive. Uncertainty in time of perihelion is 3-sigma.)
8. ↑ ^{8.0 8.1} Cite error: The named reference TNOsCool14 was used but no text was provided for refs named (see the help page).
9. ↑ Cite error: The named reference Perna-2008 was used but no text was provided for refs named (see the help page).
10. ↑ Cite error: The named reference Thirouin-2016a was used but no text was provided for refs named (see the help page).
11. ↑ ^{11.0 11.1} Cite error: The named reference Perna-2010 was used but no text was provided for refs named (see the help page).
12. ↑ ^{12.0 12.1} Cite error: The named reference lcdb was used but no text was provided for refs named (see the help page).
13. ↑ Cite error: The named reference Jewitt-2007 was used but no text was provided for refs named (see the help page).
14. ↑ Cite error: The named reference Peixinho-2012 was used but no text was provided for refs named (see the help page).
15. ↑ Cite error: The named reference Tegler-2016 was used but no text was provided for refs named (see the help page).
16. ↑ Cite error: The named reference Boehnhardt-2014 was used but no text was provided for refs named (see the help page).
17. ↑ Cite error: The named reference Brown-dplist was used but no text was provided for refs named (see the help page).