Galilean Moon
Ganymede
Ganymede is currently about 930,921,026 kilometres from Earth, or 6.223 astronomical units, which puts a one-way radio signal 51.8 minutes out. It is 5.296 astronomical units from the Sun.
The largest moon in the solar system, bigger than the planet Mercury, and the only moon known to have its own magnetic field.
Primary target of ESA’s JUICE mission, which will orbit it in the 2030s.
Right now
- Distance from Earth
- 930,921,026 km (6.223 AU)
- Distance from the Sun
- 792,224,119 km (5.296 AU)
- One-way signal time
- 51.8 minutes
The body
- Mean radius
- 2,634 km
- Orbital radius
- 1,070,412 km
- Orbital period
- 7.15 days