Object profile
Eris
2 occultation events
498
Best radius (km)
0.96
Geometric albedo
2
Events recorded
67.867 AU
Semi-major axis
Size — to scalevs Pluto
ERIS · R 498 KMPLUTO · R 1188 KM
Eris — this objectPluto — comparison
Best physical propertieslatest event
Radius eq. (km)> 498
Equivalent radius (km)1163 ± 6
Oblateness0
Axis ratios (b/a · c/a)—
Density (g/cm³)2.52 ± 0.05
Albedo (V)0.96 ± 0.09/-0.04
ShapeSpherical
Where on the sky2 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 events2 recorded — newest first
| Date | Chords | Observed from | Radius eq. (km) | Feature | |
|---|---|---|---|---|---|
| 2013-08-29 | 1 | Australia | > 498 | — | details → |
| 2010-11-06 | 2 | Chile | 1163 | — | details → |
Orbit — top viewheliocentric
67.867
a (AU)
0.436
e
44.04
i (deg)
Class & designation
Number136199
Provisional designation2003 UB313
Dynamical classTNO> Scattered D.O.
Inclination (deg)44.04
Size (km)—
H (Abs. Mag.)—