Maximum distance from the sun: 94 million 537 thousand miles Minimum distance from the sun: 91 million 377 thousand miles Mean distance from the sun: 92 million 957 thousand and 200 miles Mean orbital velocity: 66000 miles per hour 0rbital eccentricity: 0.017 Obliquity of the ecliptic: 23 degrees 27 minutes 8.26 seconds Length of the tropical year: equinox equinox 365.24 days Lenght of the sidereal year: fixed star fixed star 365.26 days Length of the mean solar day: 24 hours and 3 minutes and 56.5555 seconds at mean solar time Length of the mean sidereal day: 23 hours and 56 minutes and 4.091 seconds at mean sederial time Mass: 6600 milion milion milion tons Equatorial diameter: 7927 miles Polar diameter: 7900 miles Oblateness: one 298th Density: 5.41 Mean surface gravitational acceleration of the rotating earth: 32.174 feet per second per second Escape velocity: 7 miles per second
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