Data planets

Pagina 1

Mercury Mean distance to the sun (UA) 0.39 Mean distance to the sun (104 km) 57.91 Orbital period (days) 87.969 Mean orbital speed (km/s) 47.89 Eccentricity 0.2056 Mean apparent diameter of the Sun 1°22’40” Inclination (°) 7.004 Mass (Earth=1) 0.0553 Equatorial radius (Earth=1) 0.382 Rotation period (days) 58.65 Mean density (kg/m3) 5.43 Mean equatorial gravitational acceleration (g) 0.39 Equatorial inclination (°) 2 Surface atmospheric pressure (bar) 10-15 Venus Mean distance to the sun (UA) 0.72 Mean distance to the sun (104 km) 108.20 Orbital period (days) 224.701 Mean orbital speed (km/s) 35.03 Eccentricity 0.0068 Mean apparent diameter of the Sun 44’15” Inclination (°) 3.394 Mass (Earth=1) 0.8149 Equatorial radius (Earth=1) 0.949 Rotation period (days) 243.01 Mean density (kg/m3) 5.25 Mean equatorial gravitational acceleration (g) 0.88 Equatorial inclination (°) 177.3 Surface atmospheric pressure (bar) 90 Earth Mean distance to the sun (UA) 1 Mean distance to the sun (104 km) 149.60 Orbital period (days) 365.256 Mean orbital speed (km/s) 29.79 Eccentricity 0.0167 Mean apparent diameter of the Sun 31’59” Inclination (°) 0.000 Mass (1024 kg) 5.9742 Equatorial radius (km) 6378 Rotation period (hours) 23.93 Mean density (kg/m3) 5.52 Mean equatorial gravitational acceleration (g) 1 Equatorial inclination (°) 23.45 Surface atmospheric pressure (bar) 1 Mars Mean distance to the sun (UA) 1.52 Mean distance to the sun (104 km) 227.94 Orbital period (days) 686.980 Mean orbital speed (km/s) 24.13 Eccentricity 0.0934 Mean apparent diameter of the Sun 21’ Inclination (°) 1.850 Mass (Earth=1) 0.1074 Equatorial radius (Earth=1) 0.532 Rotation period (hours) 24.62 Mean density (kg/m3) 3.95 Mean equatorial gravitational acceleration (g) 0.38 Equatorial inclination (°) 25.19…