Mercury Statistics
| Planetary Symbol: |
 |
Name in Roman/Greek Mythology: |
Mercury/Hermes |
| Diameter: |
4,878 km (3,030 miles) |
Rotation Period about Axis: |
58.65 days |
| Mass: |
0.33x10^24 kilograms (0.06 x Earth's) |
Revolution Period about the Sun: |
0.24 years |
| Density: |
5,427 kg/m^3 |
Tilt of Axis: |
0o |
| Minimum Distance from Sun: |
46.0 million km
(28.6 million miles) |
Surface Gravity: |
3.7 m/s^2 (0.38 x Earth's) |
| Maximum Distance from Sun: |
69.8 million km
(43.4 million miles) |
Temperature Range on Mercury: |
-184o C to 427o C
(-300o F to 800o F) |
| Orbital Semimajor Axis: |
0.387 AU (Earth=1 AU) |
Average Surface Temperature (K): |
440K |
| Minimum Distance from Earth: |
77.3 million km
(48.0 million miles) |
Satellites: |
0 |
Mercury Image Archive
Comparative Planetary Statistics -- in table form
Comparative Orbital Statistics -- in table form
Actual Distance to Earth
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