Mass (kg)........................................................................5.98 x 10^24 Diameter (km)...............................................................12756 Mean density (kg/m^3) ................................................5520 Escape velocity (m/sec)...............................................11200 Average distance from Sun (AU)................................1 Rotation period (length of day in Earth hours)........23.93 Revolution period (length of year in Earth days).....365.26 Obliquity (tilt of axis in degrees).................................23.4 Orbit inclination (degrees)..........................................0 Orbit eccentricity (deviation from circular)................0.017 Highest point on surface....................Mount Everest Atmospheric components.................78% nitrogen, 21% oxygen, 1% argon Surface materials................................basaltic|granitic rock|altered materials
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