Adrastea

Moon· orbits Jupiter

Adrastea — moon of Jupiter.

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Key facts

Mass (est.)
2.10 × 10¹⁵ kg
0.0000000286 Moon masses
Radius
8.2 km
Surface gravity
0.00208 m/s²
0% of Earth's
Orbit around Jupiter
7.3 hours
0.30 Earth days

Science

Physical

Mass (estimated)
2.10 × 10¹⁵ kg · 0.0000000286 Moon masses
Radius
8.2 km
Surface gravity
0.00208 m/s² · 0% of Earth's
Escape velocity
5.84 m/s · 0% of Earth's

Orbit around Jupiter

Distance from Jupiter
1,234,252 km
Orbital period
7.26 hours
Eccentricity
0.007045
Inclination
25.50 °

Radiation & temperature

Insolation
0.0357 S⊕ · 4% of the sunlight Earth receives

Discovery & history

By
Voyager Science Team

Adrastea was discovered in 1979 by Voyager Science Team. Jupiter's moons are named after lovers, daughters and descendants of the god Jupiter (the Greek Zeus). Beyond its discovery and naming, little more about it has been individually recorded.

Images

No official imagery available — this object has never been visited and no officially-licensed depiction exists.