| Planetary Symbol: |  |
Name in Roman/Greek Mythology: | Pluto / Hades | ||
|---|---|---|---|---|---|
| Diameter: | 2,390 km (1,485 miles) [0.187 x Earth's] |
Orbital Semimajor Axis: (average distance from Sun) |
39.48 AU (Earth = 1 AU) |
||
| Mass: | 12.5 x 1021 kilograms (0.0021 x Earth's) |
Orbital Eccentricity: | 0.2488 | ||
| Density: | 1,750 kg/m3 (0.317 x Earth's) |
Maximum Distance from Sun: | 49.31 AU ( 7.376 billion km or 4.583 billion miles ) |
||
| Surface Gravity: | 0.58 m/s2 (0.06 x Earth's) |
Minimum Distance from Sun: | 29.66 AU ( 4.437 billion km or 2.757 billion miles ) |
||
| Surface Temperature: | 40 to 50 K ( -233° to -223° C or -387° to -369° F ) |
Minimum Distance from Earth: | 28.6 AU ( 4.28 billion km or 2.66 billion miles ) |
||
| Tilt of Axis: | 123o | Orbital Inclination: (tilt of orbit plane) |
17.16° | ||
| Rotation Period about Axis: (length of Pluto's day) |
6.387 days (retrograde) | Revolution Period about the Sun: (length of Pluto's year) |
248 years | ||
|
Satellites: | known | |||
Comparative Planetary Statistics -- in table form
Comparative Orbital Statistics -- in table form
Last modified January 25, 2006 by Randy Russell.
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