Dimension of Mercury vs. Earth

DISTANCE FROM EARTH
Minimum (106 km) 77.3
Maximum (106 km) 221.9

DIMENSIONS Mercury Earth Ratio (Mercury/Earth)
Mass (1024 kg) 0.3301 5.9726 0.0553
Volume (1010 km3) 6.083 108.321 0.0562
Equatorial radius (km) 2439.7 6378.1 0.383
Polar radius (km) 2439.7 6356.8 0.384
Volumetric mean radius (km) 2439.7 6371.0 0.383
Ellipticity (Flattening) 0.0000 0.00335 0.000
Mean density (kg/m3) 5427 5514 0.984
Surface gravity (eq.) (m/s2) 3.70 9.80 0.378
Surface acceleration (eq.) (m/s2) 3.70 9.78 0.378
Escape velocity (km/s) 4.3 11.2 0.384
GM (x 106 km3/s2) 0.02203 0.3986 0.0553 where GM=Gravitational Motion

Calculation of related Dimensions

Escape Velocity = [2GM/R]1/2
Mean Density = [Mass / Volume]
Force = [Mass x Acceleration]

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