Near-Earth asteroid, binary
Didymos
In 2022 NASA’s DART crashed into its little moon Dimorphos and shortened its orbit by 33 minutes, our first test of defending Earth.
- Size
- 0.797 × 0.783 × 0.761 km
- Orbit
- 767.1 days
- Distance from Sun
- 1 to 2.3 AU
- Day
- 2.3 hours
- Visited by
- DART, 2022; Hera, 2026
Can we live on Didymos?
Air: none to speak of. You’d live in sealed, pressurised habitats.
Ground: Silicate rubble.
Atmosphere
- None to speak of
Measured by DART, LICIACube