Object of the day ·
Planet
Mercury
Fun fact
Sunrise to sunrise, a day on Mercury lasts 176 Earth days — longer than its 88-day year.
Worked out from the catalogue’s own measurements for Mercury.
Key stats
- Diameter
- 4,879 km
- From the Sun
- 0.39 AU
- Orbital period
- 88 days
Explore the full record for Mercury
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