Pluto Data

Discovered by Clyde Tombaugh in 1930

Average Distance from the Sun

Metric: 5,906,380,000 km

English: 3,670,050,000 miles

Perihelion (closest)

Metric: 4,436,820,000 km

English: 2,756,902,000 miles

Aphelion (farthest)

Metric: 7,375,930,000 km

English: 4,583,190,000 miles

Equatorial Radius

Metric: 1,151 km

English: 715 miles

Equatorial Circumference

Metric: 7,232 km

English: 4,494 miles

Volume

Metric: 6,390,000,000 km3

English: 1,530,000,000 mi3

Mass

Metric: 13,000,000,000,000,000,000,000 kg

Density

Metric: 2 g/cm3

Surface Area

Metric: 16,650,000 km2

English: 6,430,000 square miles

Equatorial Surface Gravity

Metric: 0.81 m/s2

English: 2.7 ft/s2

Escape Velocity

Metric: 4,570 km/h

English: 2,840 mph

Sidereal Rotation Period (Length of Day)

6.387 Earth days

153.3 hours

Sidereal Orbit Period (Length of Year)

247.92 Earth years

90,553 Earth days

Mean Orbit Velocity

Metric: 17,096 km/h

English: 10,623 mph

Orbital Eccentricity

0.2488

Orbital Inclination to Ecliptic

17.14 degrees

Equatorial Inclination to Orbit

119.61 degrees

Orbital Circumference

Metric: 32,820,000,000 km

English: 20,390,000,000 miles

Minimum/Maximum Surface Temperature

Metric: -233/-223 °C

English: -387/-369 °F

Atmospheric Constituents

Methane

Nitrogen

Moons:

1. Charon