Physical
Characteristics
| Average distance from the sun | 141,000,000.6 mi (227,000,000.9 km) |
| Length of year | 687 days |
| Length of day | 24 hours, 37 minutes, 12 seconds |
| Surface gravity | 0.38 of Earths |
| Tilt of Axis | 25 o 12" |
| Minimum Distance from Sun | 205 million km (128 million miles) |
| Maximum Distance from Sun | 249 million km (155 million miles) |
| Minimum Distance from Earth | 35 million miles |
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