Sedna
CategoryTrans-Neptunian
SystemOuter Solar System
Diameter995 km
Orbital Period11400 years
About Sedna
One of the most distant known objects in the solar system. Takes about 11,400 years to orbit the Sun. Currently about 84 AU from the Sun but reaches 937 AU at its farthest. Extremely red surface color, among the reddest in the solar system. May be part of the inner Oort Cloud. Surface temperature around -240C.
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