Object profile
Sedna
1 occultation event
512.5
Best radius (km)
—
Geometric albedo
1
Events recorded
484.521 AU
Semi-major axis
Size — to scalevs Pluto
SEDNA · R 512.5 KMPLUTO · R 1188 KM
Sedna — this objectPluto — comparison
Best physical propertieslatest event
Radius eq. (km)512.5 ± 135
Equivalent radius (km)—
Oblateness0
Axis ratios (b/a · c/a)—
Density (g/cm³)—
Albedo (V)—
ShapeUndetermined
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 | |
|---|---|---|---|---|---|
| 2013-01-13 | 2 | Australia | 512.5 | — | details → |
Orbit — top viewheliocentric
484.521
a (AU)
0.843
e
11.93
i (deg)
Class & designation
Number90377
Provisional designation2003 VB12
Dynamical classTNO> Detached O.
Inclination (deg)11.93
Size (km)—
H (Abs. Mag.)—