MoonMoon of Jupiter

Ananke

A retrograde irregular moon, namesake of the Ananke group.

28km

Diameter

21,276,000km

From Jupiter

629.8days

Orbital Period

1951

Discovered

About

Ananke is a retrograde irregular moon of Jupiter and the namesake of the Ananke group.

Properties

28km

Diameter

21,276,000km

Semi-major Axis

629.77days

Orbital Period

3.0e16kg

Mass

1951

Discovery Year

Seth Barnes Nicholson

Discovered By

Notable Facts

Ananke is the parent body of a group of similarly orbiting retrograde moons

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