Largest moon in the Solar System
The current largest moon in the solar system record is 3,268 miles, held by Ganymede. Last checked October 14, 2026.
3,268
miles
Ganymede
- Holder
- Ganymede
- Record
- 3,268 miles
- Metric
- 5,260 km
- Exact figure
- About 5,260 km diameter
- Location
- Orbiting Jupiter
- Last checked
- October 14, 2026
Sources
- nasa.gov Read the source
- nasa.gov Read the source
- Wikipedia Read the source
- usra.edu Read the source
- dlr.de The large moons of jupiter galilean moons
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