1976

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 66 000 miles per hour
Orbital eccentricity, 0.017
Obliquity of the ecliptic, 23 degrees, 27 minutes, 8.26 seconds
Length of the tropical year, equinox to equinox, 365.24 days
Length of the sidereal year, fixed star to 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 sidereal time
Mass 6600 million, million, million 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
Albedo 0.39
Albedo 0.39
Albedo 0.39