Pluto Radius: Day: Distance to Sun: Mass: Temperature: Air Pressure: Atmosphere 1,200,000 meters 159 hours, 19 minutes 5902.8 X 109 meters 6 X 1022 kg -200° 0 None Escape Velocity: Year: Velocity: Gravity: Satellites: 1,100 m/s 90474.9 days 4.77 m/s (max) .03 g Charon Planet ...