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Table 1 Basic information for the terrestrial planets

From: Strength models of the terrestrial planets and implications for their lithospheric structure and evolution

  Mercury Venus Earth Mars
Semi-major axis (AU) 0.39 0.72 1.00 1.52
Radius (km) 2439 6052 6378 3394
Gravity (m/s2) 3.70 8.87 9.78 3.69
Density (g/cm3) 5.43 5.20 5.51 3.93
Surface temperature (K) 440 730 280 220
Crustal thickness (km) 35 15 7 50