MoonMoon of Jupiter

Metis

Jupiter's innermost known moon, orbiting within the main ring.

43km

Diameter

128,000km

From Jupiter

0.3days

Orbital Period

1979

Discovered

About

Metis is the innermost known moon of Jupiter, orbiting within Jupiter's main ring.

Properties

43km

Diameter

128,000km

Semi-major Axis

0.29days

Orbital Period

3.6e16kg

Mass

Yes

Tidally Locked

1979

Discovery Year

Stephen Synnott

Discovered By

Notable Facts

Metis orbits within Jupiter's main ring and is a source of ring material

Other Moons of Jupiter

View all

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