Natural Satellite
Deimos
Deimos is currently about 237,984,606 kilometres from Earth, or 1.591 astronomical units, which puts a one-way radio signal 13.2 minutes out. It is 1.571 astronomical units from the Sun.

The smaller, outer moon of Mars. A smooth-looking dusty body, likely a captured asteroid.
Imaged at close range by the Hope orbiter in 2023.
Right now
- Distance from Earth
- 237,984,606 km (1.591 AU)
- Distance from the Sun
- 235,002,842 km (1.571 AU)
- One-way signal time
- 13.2 minutes
The body
- Mean radius
- 6 km
- Orbital radius
- 23,463 km
- Orbital period
- 1.26 days