Pluto Statistics
| 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 |
| |
Pluto Image Archive
Comparative Planetary Statistics -- in table form
Comparative Orbital Statistics -- in table form
Actual Distance to Earth
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