Object profile
2003 UY117
1 occultation event
166
Best radius (km)
0.139
Geometric albedo
1
Events recorded
55.2 AU
Semi-major axis
Size — to scalevs Pluto
2003 UY117 · R 166 KMPLUTO · R 1188 KM
2003 UY117 — this objectPluto — comparison
Best physical propertieslatest event
Radius eq. (km)166 ± 12
Equivalent radius (km)117.5 ± 12.5
Oblateness0.35 ± 0.15
Axis ratios (b/a · c/a)0.65 · 0.54
Density (g/cm³)—
Albedo (V)0.139 ± 0.026
ShapeTri-axial
Where on the sky1 of this object's events carry a published position.
Dashed line: order of observation, not the apparent path. Chart data: d3-celestial (BSD-3-Clause).
All occultation events1 recorded — newest first
| Date | Chords | Observed from | Radius eq. (km) | Feature | |
|---|---|---|---|---|---|
| 2020-10-23 | 4 | Spain | 166 | — | details → |
Orbit — top viewheliocentric
55.2
a (AU)
0.413
e
7.6
i (deg)
Class & designation
Number143707
Provisional designation2003 UY117
Dynamical classTNO> Resonant
Inclination (deg)7.6
Size (km)—
H (Abs. Mag.)—