| Age |
About the same age as
the Sun: 4.5 billion years |
| Location |
Solar system |
| Avg. distance from the
Sun |
5,914,000,000 km |
| Length
of day |
6
days |
| Length
of year |
249
years or 90,410 days |
| Range
of temperature |
-210C |
| Diameter |
2340 km |
| Atmosphere |
Probably
thin atmosphere - nitrogen, carbon dioxide and methane |
| Period of revolution |
247.7 Earth years
(90,410 Earth days) |
| Number of moons |
One: Charon is Pluto's
only known satellite |
| Distinguishing
features |
Pluto is the smallest
planet and usually the farthest from the Sun. Its composition and
atmosphere are unknown but it is likely composed of rock, ice, and
frozen gases. Due to its small size and elliptical and
inclined orbit, some people don't consider Pluto to be a planet. |
