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Uranus
UranusSol 7
Uranus
Distance
from the Sun
  mil km2,870.99
  mil miles1783
Orbital Period
(length of year)
  Earth days30685
  Earth years 84.013
Local Days per Year  
rotations per orbit  
42,733.46
Length of day  
in Earth Time  
17h 14m
Axial Tilt   97.86
Orbital Inclination  
from Earth's orbit  
0.774
Orbital Eccentricity  
from circular  
0.0461
Sidereal Rotation  
in Earth days  
-0.71833
Mean Orbital Velocity km/s   6.80
Visual Geometric Albedo .51
Vo or Object's Visible
Magnitude at Opposition
5.52
Mean Radius km     25,559
Mean  
Diameter  

at Equator  
  km51,120
  miles31,814
  x Earth4
Mass   kg 8.686 e+25
  x Earth14.5
Density (grams per cm3)   1.29
Gravity x Earth   .91
Escape Velocity in km per sec   21.297
Uranus, the Greek god of the Sky. The seventh planet out from the sun is a veritable twin of the next planet out, Neptune. Icy atmosphere: about 83% hydrogen, 15% helium, 2% methane - and trace ammounts of ammonia.

Uranus has at least 15 moons - five main orbital spheres ripe for mining and eventual suburban colonization: Oberon, Titania, Umbriel, Ariel and Miranda - and ten small enough to have eluded our attention until space probes were invented and sent to investigate: Cordelia, Ophelia, Bianca, Cressida, Desdemona, Juliet, Portia, Rosalind, Belinda and Puck.

  Year
disc.
  Distance
(in miles)
  Revolution
(in days)
Mass
(x Luna)
  Density   Diameter
(in miles)
   
Cordelia198630,944.333??16
Ophelia198633,430.375??19
Bianca198636,785.433??25
Cressida198638,401.463??37
Desdemona198638,960.475??34
Juliet198640,016.492??53
Portia198641,072.513??68
Rosalind198643,496.558??34
Belinda198646,789.621??40
Puck198653,438.763??96
Miranda194880,7161.410.0011.26301
Ariel1851118,6202.521.0181.65721
Umbriel1851165,2854.146.0171.44739
Titania1787271,1048.704.0471.591000
Oberon1787362,50813.463.0401.50963
Miranda     

          Ariel

      Umbriel

Titania

                  Oberon




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