Galilean Moon
Callisto
Callisto is currently about 864,066,205 kilometres from Earth, or 5.776 astronomical units, which puts a one-way radio signal 48.0 minutes out. It is 5.297 astronomical units from the Sun.
The outermost Galilean moon, one of the most heavily cratered objects in the solar system and a possible future crewed base.
Studied as a low-radiation staging post for outer-system exploration.
Right now
- Distance from Earth
- 864,066,205 km (5.776 AU)
- Distance from the Sun
- 792,487,151 km (5.297 AU)
- One-way signal time
- 48.0 minutes
The body
- Mean radius
- 2,410 km
- Orbital radius
- 1,882,709 km
- Orbital period
- 17 days