Ganymede
Ganymede is the largest moon of Jupiter as well as the largest moon in the whole Solar System.
Facts About Ganymede:
- Ganymede is the ninth-largest object in the Solar System.
- It is 26% larger than Mercury.
- It is the only moon known to have a magnetic field.
Classification: Moon (orbiting Jupiter)
Names: Ganymede, Jupiter III
Discovered: 1610 by Galileo Galilei
Magnitude: 4.6100 (app)
Diameter: 5268.2 km
Mass: 1.4819e+23 kg
Axial Tilt: 0.3300 °
Orbital Period: 7.154 Earth days
Orbital Speed: 10.8800 km/s
Eccentricity: 0.00130000
Albedo: 0.4300
Volume: 76600000000 km3
Density: 1.9360 g/cm3
Surface Area: 87200000 km2
Surface Gravity: 0.1460 g
Escape Velocity: 2.7410 km/s
Adjective: Ganymedian, Ganymedean