☿ Mercury

Statistics

Orbital radius

60 million km from the Sun (0.4 times the distance of the Earth from the Sun)

Orbital period

88 Earth days (0.24 of an Earth year)

Diameter

4,900 km (0.4 times the diameter of the Earth)

Rotational period

59 Earth days (1.5 Mercury days in a Mercury year)

Mass

6% of the mass of the Earth

Surface gravity

about three-eighths of the gravitational force on Earth

Albedo

0.11 (similar to that of a road)

Moons

Mercury has no moons.