Himalia

Moon

The largest of Jupiter's irregular moons, likely a captured asteroid orbiting far beyond the main Galilean moons.

Facts

TypeMoon
OrbitsJupiter
Distance from parent body11,460,000 km
Diameter170 km
Mass2.27 × 10^18 kg
Surface gravity0.021 m/s²
Temperature-149°C
Orbital period250 days
Rotation period7.78 hours
Apparent magnitude14.6
Redshift0
Discovered1904

Himalia in context

At 170 km across, Himalia is 4.9 percent of the diameter of Earth's Moon.

Its mass is less than a thousandth of the mass of Earth.

It orbits Jupiter at 11,460,000 km, further out than the Moon orbits Earth.

A single orbit takes 250.2 days.

An average temperature of 124 K works out at -149 degrees Celsius, colder than the 15 degrees Earth averages.

It has been on record since 1904.

Play today's Cosmodle