Solar System Exploration: Planets: Jupiter: Moons: Europa: Facts & Figures

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Facts & Figures

Europa: Facts & Figures

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Facts & Figures

Discovered By

Galileo Galilei

Date of Discovery

1610

Orbit Size Around Jupiter (semi-major axis)

Metric: 671,100 km

English: 417,002 miles

Periapsis (closest)

Metric: 664,792 km

Apoapsis (farthest)

Metric: 677,408 km

Sidereal Orbit Period (Length of Year)

3.551181041 Earth days

Orbit Circumference

Metric: 4,216,552.51 km

Average Orbit Velocity

Metric: 49,476.1 km/h

Orbit Eccentricity

0.0094

Orbit Inclination

0.466 degree

Mean Radius

Metric: 1,560.8 km

Equatorial Circumference

Metric: 9806.8 km

Volume

Metric: 15,926,867,918 km³

Mass

Metric: 47,998,438,387,492,700,000,000 kg

Scientific Notation: 4.7998 x 10²² kg

Density

Metric: 3.013 g/cm³

Surface Area

Metric: 30,612,893.23 km²

Surface Gravity

Metric: 1.315 m/s²

Escape Velocity

Metric: 7,293 km/h

English: 4,532 mph

Scientific Notation: 2026 m/s

Sidereal Rotation Period (Length of Day)

3.551 Earth days

By Comparison: Synchronous with orbital period

Atmospheric Constituents

Oxygen

NASA Official: Kristen Erickson

Advisory: Dr. James Green, Director of Planetary Science

Outreach Manager: Alice Wessen

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