August 6, 2003

Pluto's vital statistics

Pluto's vital statistics

  Pluto
Equatorial diameter 2,390 km
Mass 0.0125 x 1021 t
Mean density 1.75
Rotation period 153 h 17 min or 6.4 Earth days
Revolution period (Plutonian year) 90,465 days or 247 Earth years
Length of a solar day 153 h 17 min
Surface gravity 0.58 m/s2
Natural satellites 1
Ring system No
Orbit (highly elliptical)
Aphelion 7,304 million km
Perihelion 4,435 million km
Furthest distance from Earth 4,293 million km
Closest distance to Earth 7,533 million km

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