The following Pluto fact sheet is based on NASA’s excellent planetary fact sheets. Pluto is no longer a planet, but a dwarf planet. Mass: 0.0125 x 1024 kg Volume: 0.715 x 1010 km3 Average radius: 1,195 km Average diameter: 2,390 km Mean density: 1.750 g/cm3 Escape velocity: 1.2 km/s Surface gravity: 0.58 m/s2 Natural satellites: … Continue reading "Pluto Fact Sheet"