SpazeNear-Earth asteroid, S-type
Apophis
On 13 April 2029 it passes closer than the satellites that bring us TV, visible to the naked eye. It will not hit us.
- Size
- 340 m
- Orbit
- 323.4 days
- Distance from Sun
- 0.7 to 1.1 AU
- Day
- 30.6 hours
- Reflects
- 35% of sunlight
Can we live on Apophis?
Air: none to speak of. You’d live in sealed, pressurised habitats.
Ground: Silicate rock, LL chondrite.
Atmosphere
- None to speak of
Measured by spectra