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Solar
Dwarf planet candidate

Sedna

(90377) Sedna

Physical properties

Mean radius
498 km

Visual & observation

Geometric albedo
0.32
Absolute magnitude (H)
1.83
Representative colour
#A0383E

Discovery & classification

Discovered by
M. Brown, C. Trujillo, D. Rabinowitz
Discovery date
14 November 2003

Sources