Sedna
Dwarf Planetplanetary systemESTABLISHED
Universe / Laniakea Supercluster / Local Group / Milky Way / Solar System / Sedna
OBJECT_MODEL::3Ddrag to orbit · scroll to zoom
radius498 km
diameter996 km
mass1.00e+21 kg
mass (M⊕)1.67e-4 M⊕
semi-major506 AU
eccentricity0.85
inclination11.93°
period11,390 yr
scale domainplanetary system
true distance506 AU
rendered radius89.9 u
directionsymbolic
Radial distance is real (compressed for this scale domain); angular direction is symbolic — the source has distance-from-Earth but no RA/Dec.
confidence69%
evidenceestablished
imported fromexpanded-curated
sources
- · Curated expanded catalog (manual)
- · NASA/JPL Small-Body Database (dataset)
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