Farthest Known Object Orbiting the Sun

Observers calculate that Kuiper Belt object 2015 RR₂₄₅ has an elliptical path that takes 733 years to go around the Sun and carries it from near Neptune's orbit out to 129 astronomical units.
Alex Parker / OSSOS team

First spied last year, an object designated 2015 RR245 turns out to be one of the largest and most distant objects yet found orbiting the Sun.

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