Mercury
The innermost planet. Symbol: ☿.
Equatorial diameter
4,879 km
0.38× Earth
Mass
0.055 × Earth
Surface gravity
0.38 × Earth
Orbital period
88.0 days
Mean distance from the Sun
0.387 AU
Rotation
58.6 days
Axial tilt
0.03°
Mean temperature
167 °C
Moons
0
My Sky
Rise, highest and set over your place, for any night: Mercury
Further info
NASA: Mercury
Wikipedia: Mercury (planet)
Source
Figures: NASA planetary fact sheets
