Property Charts for the Planets

Mercury is the second smallest planet.
This small, rocky planet looks a lot like our moon. Mercury is the second smallest planet in our solar system and is named after Mercury, the Roman messenger to the gods. If the sun didn't toast you first, there'd be some really cool mountain climbing on Mercury.

Properties of Mercury
Mass3.303 x 1023 kg
Average Distance from Sun57.9 million kms/36 million miles
Minimum Distance from Earth77.3 million kms/48.0 million miles
Length of Year88 Earth days (to rotate the sun)
Rotation Time59 Earth days (on its own axis)
Angle of Axis2 degrees
Diameter4,878 kms/3,031 miles
Number of Satellites0
Number of Rings0
Number of Moons0
TemperatureAverage of -270 F to 800 F/-168 C to 427 C
Weight on MercuryA 100 pound person would weigh 37.8 pounds

Venus looks a lot like Earth.
Venus looks a lot like Earth. There are mountains, valleys and even active volcanoes - except there's no ocean. One thing to keep in mind when watching a sunset on Venus is that Venus spins backwards so the sun rises in the west and sets in east, which is the opposite of Earth.

Properties of Venus
Mass4.86x1024 kg
Average Distance from Sun108.2 million kms/67.2 million miles
Minimum Distance from Earth39 million kms/25 million miles
Length of Year225 Earth days (to rotate the sun)
Rotation Time243 Earth days (on its own axis)
Angle of Axis177.3 degrees
Diameter12,102 kms/7,520 miles
Number of Satellites0
Number of Rings0
Number of Moons0
TemperatureAverage of 457 Fahrenheit/855 Celsius
Weight on VenusA 100 pound person would weigh 90.7 pounds

For the property charts on the rest of the planets, click here.

Related Stories:

  • Basics of Our Solar System
  • Venus
  • Mercury
  • Earth
  • Mars
  • Jupiter
  • Saturn
  • Uranus
  • Neptune
  • Pluto
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