MoonMoon of Jupiter
S/2017 J 9
A small irregular moon of Jupiter discovered in 2017.
3km
Diameter21,429,000km
From Jupiter639.2days
Orbital Period2017
DiscoveredAbout
S/2017 J 9 is a small irregular moon of Jupiter discovered in 2017.
Properties
3km
Diameter21,429,000km
Semi-major Axis639.20days
Orbital Period2017
Discovery YearScott S. Sheppard
Discovered ByOther Moons of Jupiter
Io
The most volcanically active body in the solar system and innermost Galilean moon.
3,643.2 km
Diameter
1.8 d
Orbit
1610
Discovered
Europa
Jupiter moon with a subsurface ocean considered a prime candidate for extraterrestrial life.
3,121.6 km
Diameter
3.6 d
Orbit
1610
Discovered
Ganymede
The largest moon in the solar system, bigger than Mercury, with its own magnetic field.
5,268.2 km
Diameter
7.2 d
Orbit
1610
Discovered
Callisto
Jupiter's second-largest moon with the most cratered surface in the solar system.
4,820.6 km
Diameter
16.7 d
Orbit
1610
Discovered