File:Ganymede_-_Perijove_34_Composite.png · Wikimedia Commons · See Wikimedia Commons

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Ganymede

Also known as Jupiter III

Galilean moon of Jupiter

AI overview

Ganymede is the largest moon of Jupiter and one of the largest moons in our solar system. It is scientifically important because it may harbor a subsurface ocean of water beneath its icy crust, making it a prime candidate in the search for potential extraterrestrial life.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Area: 87000000
Radius: 2631
Mass: 148.148
Orbital period: 7.154
Image: Ganymede - Perijove 34 Composite.jpg

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orbital eccentricity: 0.0013
semi-major axis of an orbit: 1070400
Commons category: Ganymede (moon)
time of discovery or invention: 1610-00-00
magnetic moment: 132000000000000000000
albedo: 0.43
apparent magnitude: 4.61
name: Jupiter III
temperature: 152
orbital inclination: 2.214
periapsis: 1069200
apoapsis: 1071600
density: 1.936
surface gravity: 1.428

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Apparent magnitude 4.61 (opposition) 4.38 (in 1951) Angular diameter 1.2 to 1.8 arcseconds Atmosphere Surface pressure 0.2–1.2 μPa (1.97×10–1.18×10 atm) Composition by volumemostly oxygen

Ganymede is a natural satellite of Jupiter and is the largest and most massive moon in the Solar System. Like Saturn's largest moon Titan, it is larger than the planet Mercury, but has somewhat less surface gravity than Mercury, Io, or Earth's Moon due to its lower density compared to the three. Ganymede orbits Jupiter in roughly seven days and is in a 1:2:4 orbital resonance with the moons Europa and Io, respectively.