10413

Mercury



Distance from the Sun
(Semimajor axis of orbit)
57,909,175 km
0.38709893 A.U.

Mean Equatorial Radius
2,439.7 km
(0.3825 of Earth's radius)

Volume (Earth = 1)
0.054

Mass
0.3302 × 1027 g

Density
5.43 gm/cm3

Surface Gravity
370 cm/s2

Escape Velocity (at equator)
4.25 km/s

Sidereal Rotation Period
58.646225 days

Sidereal Orbit Period
0.2408467 sidereal years

Mean Orbit Velocity
47.8725 km/s

Orbit Eccentricity
0.20563069

Orbit Inclination to Ecliptic
7.00487 degrees

Inclination of Equator to Orbit
0.0 degrees

Mean Temperature at Solid Surface
440 K