Arrokoth
contact binary in the Kuiper belt · the farthest world ever visited
44 AU from Earth
Two flattened lumps of ice that drifted together gently 4.5 billion years ago and stuck. New Horizons flew past it in 2019, 6.6 billion km from home: the most distant world any spacecraft has visited.
- 43.2 AU from the Sun · 36 km long
- its two lobes are called Wenu and Weeyo
Numbers that change with time are from 8 November 2026.
open Arrokoth in the atlas ›- kind
- place in the Solar System · moon or small world
- distance
- 43.2 AU from the Sun
- orbits
- the Sun