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

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Facts & Figures

Callisto: Facts & Figures

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Facts & Figures

Discovered By

Galileo Galilei

Date of Discovery

1610

Orbit Size Around Jupiter (semi-major axis)

Metric: 1,882,700 km

English: 1,169,856 miles

Periapsis (closest)

Metric: 1,868,768 km

Apoapsis (farthest)

Metric: 1,896,632 km

Sidereal Orbit Period (Length of Year)

16.6890184 Earth days

Orbit Circumference

Metric: 11,829,191.03 km

Average Orbit Velocity

Metric: 29,531.6 km/h

Orbit Eccentricity

0.0074

Orbit Inclination

0.192 degree

Mean Radius

Metric: 2,410.3 km

Equatorial Circumference

Metric: 15,144.4 km

Volume

Metric: 58,654,577,603 km³

Mass

Metric: 107,593,737,963,819,000,000,000 kg

Scientific Notation: 1.0759 x 10²³ kg

Density

Metric: 1.834 g/cm³

Surface Area

Metric: 73,004,909.27 km²

Surface Gravity

Metric: 1.236 m/s²

Escape Velocity

Metric: 8,787 km/h

English: 5,460 mph

Scientific Notation: 2441 m/s

Rotation Period (Length of Day)

16.6890184 Earth days

By Comparison: Synchronous with orbital period

Atmospheric Constituents

Carbon dioxide

NASA Official: Kristen Erickson

Advisory: Dr. James Green, Director of Planetary Science

Outreach Manager: Alice Wessen

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