492-5 - 2,439 6,378 Mass (kg) 3.302 x 10 23 5.974 x 10 24...

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ES 492 Lecture Notes 5: Mercury Property Mercury Earth Avg. distance from sun (AU) 0.387 1.00 Avg. orbital speed (km/s) 47.9 29.79 Orbital eccentricity 0.206 0.017 Period for revolution (days) 87.969 365.256 Period for rotation (days) 58.646 1.0 Orbital inclination (degrees) 7.00 0.0 Axial obliquity/tilt (degrees) 0.5 23.45 Escape velocity (km/s) 4.3 11.2 Property Mercury Earth Radius (km)
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Unformatted text preview: 2,439 6,378 Mass (kg) 3.302 x 10 23 5.974 x 10 24 Bulk Density (g/cm 3 ) 5.420 5.515 Volume (km 3 ) 6.08 x 10 8 10.86 x 10 11 Albedo (%) 12 39 Atmosphere None (trace Na, Ar, Ne, He) N 2 , O 2 , Ar Surface Gravity (Earth = 1) 0.38 1.0 Average surface temp (ºC) +425 to -183 9 Surface material Igneous rocks (basaltic) mixed rocks, water, soil Number of moons 0 1...
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This note was uploaded on 02/05/2012 for the course ES 492 taught by Professor Staff during the Summer '11 term at S. Alabama.

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