Object profile
Chiron
6 occultation events
96.7
Best radius (km)
—
Geometric albedo
6
Events recorded
13.64 AU
Semi-major axis
3D modelinteractive · WebGL
Downloads 4.4 MB
Rendering of the model file uploaded for this object — a reconstruction, not a direct measurement. Occultation-derived values are in the cards below.
Size — to scalevs Pluto
CHIRON · R 96.7 KMPLUTO · R 1188 KM
Chiron — this objectPluto — comparison
Best physical propertieslatest event
Radius eq. (km)—
Equivalent radius (km)96.7
Oblateness—
Axis ratios (b/a · c/a)—
Density (g/cm³)—
Albedo (V)—
ShapeTri-axial
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 events6 recorded — newest first
| Date | Chords | Observed from | Radius eq. (km) | Feature | |
|---|---|---|---|---|---|
| 2023-09-10 | 12 | Argentina, Brazil, Chile | — | Dust/Jet | details → |
| 2022-12-15 | 2 | Egypt, Israel | — | Dust/Jet | details → |
| 2019-09-08 | 2 | Belgium, France | — | — | details → |
| 2018-11-28 | 1 | Namibia, South Africa | > 88 | — | details → |
| 2011-11-29 | 2 | United States of America | 86 | Dust/Jet | details → |
| 1993-11-07 | 4 | United States of America | 89.6 | Dust/Jet | details → |
Orbit — top viewheliocentric
13.64
a (AU)
0.38
e
6.93
i (deg)
Class & designation
Number2060
Provisional designation1977 UB
Dynamical classCentaur
Inclination (deg)6.93
Size (km)110
H (Abs. Mag.)5.54