SpazeKuiper belt object
Arrokoth
Two lobes that touched gently 4.5 billion years ago. The most distant object any spacecraft has visited.
- Size
- 36 km
- Orbit
- 292.9 years
- Distance from Sun
- 42.5 to 45.7 AU
- Day
- 15.9 hours
- Visited by
- New Horizons, 2019
Can we live on Arrokoth?
Air: none to speak of. You’d live in sealed, pressurised habitats.
Ground: Methanol ice and red organic tholins.
Atmosphere
- None to speak of
Measured by New Horizons