Mercury Fact Sheet
  

Diameter:

 3,030 miles

Mass:

 390,000,000,000,000,000,000 tons
(390 quintillion tons)

Density:

 5.4 (water=1)

Minimum Distance from Sun:

 28.5 million miles

Maximum Distance from Sun:

 43.3 million miles

Minimum distance from Earth:

 28 million miles

Day/night length:

 176 Earth days

Length of year:

 88 Earth days

Tilt of axis:

 0º 0'

Surface gravity:

 0.38 × Earth

Temperature:

 -300º F to 800ºF

Satellites:

 0

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