492-13 - Property Neptune Earth Avg distance from sun(AU...

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ES 492 Lecture Notes 13a: Uranus Property Uranus Earth Radius (km) 25,559 6,378 Mass (kg) 8.68 x 10 25 5.974 x 10 24 Bulk Density (g/cm 3 ) 1.290 5.515 Volume (km 3 ) 6.833x 10 13 10.86 x 10 11 Albedo (%) 56 39 Atmosphere H 2 (83%), He (15%), CH 4 (2%) N 2 , O 2 , Ar Surface Gravity (Earth = 1) 0.88 1.0 Surface Pressure (atmospheres) >1000 1.0 Average surface temp (ºC) -195 (cloud tops) 9 Surface material gas mixed rocks, water, soil Property Uranus Earth Avg. distance from sun (AU) 19.18 1.00 Avg. orbital speed (km/s) 6.83 29.79 Orbital eccentricity 0.047 0.017 Period for revolution (years) 84.1 1.0 Period for rotation (days) 0.75 (retrograde) 1.0 Orbital inclination (degrees) 0.77 0.0 Axial obliquity/tilt (degrees) 97.9 23.45 Escape velocity (km/s) 21.29 11.2 Number of moons 27 1 Ring System Yes No
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ES 492 Lecture Notes 13b: Neptune
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Unformatted text preview: Property Neptune Earth Avg. distance from sun (AU) 30.05 1.00 Avg. orbital speed (km/s) 5.43 29.79 Orbital eccentricity 0.0113 0.017 Period for revolution (years) 163.8 1.0 Period for rotation (days) 0.67 1.0 Orbital inclination (degrees) 1,769 0.0 Axial obliquity/tilt (degrees) 28.32 23.45 Escape velocity (km/s) 23.5 11.2 Number of moons 13 1 Ring System Yes No Property Neptune Earth Radius (km) 24,764 6,378 Mass (kg) 1.02 x 10 26 5.974 x 10 24 Bulk Density (g/cm 3 ) 1.638 5.515 Volume (km 3 ) 6.254x 10 13 10.86 x 10 11 Albedo (%) 42 39 Atmosphere H 2 (80%), He (19%), CH 4 (1.5%) N 2 , O 2 , Ar Surface Gravity (Earth = 1) 1.19 1.0 Surface Pressure (atmospheres) >1000 1.0 Average surface temp (ºC)-201 (cloud tops) 9 Surface material gas mixed rocks, water, soil...
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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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492-13 - Property Neptune Earth Avg distance from sun(AU...

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