Asteroid Pluto (astronomy) Details
Pluto (134340 Pluto)
Volume: 6.39 x 10^18 m³
Mass: 1.303 x 10^22 kg
Density: 2.5 x 10^3 kg/m³
Surface gravity acceleration: 0.62 m/s² (0.063 g)
Weight Comparison in Space
During the Shuttle STS-89 mission experiment, the SLAMMD showed a precision of ±118 grams and an accuracy in weight estimation of ±227 grams.
Weight on Different Celestial Bodies
- On the Moon: a person weighing 75 kg on Earth would weigh 12.5 kg on the Moon.
- On Jupiter: a person weighing 70 kg on Earth would weigh 185 kg on Jupiter due to its strong gravity.
Celestial Bodies Proximity
- The celestial body closest to Earth: Proxima Centauri, located at 4.365 light-years from the Solar System.
- The third planet closest to Earth: not Venus or Mars but Mercury, being the third planet from the Sun.
Neptunian Satellites
Neptune has 8 known satellites, with Triton being the largest and the only one known before the Voyager 2 exploration in 1989.