Closest approach to earth
34,600,000 miles
Mean distance from the sun
141,600,000 miles
Period of rotation around the sun
1.88089 years
Sidereal rotation period
24 hours, 37 minutes, 22.66 seconds
Mean surface atmospheric temperature
-23 degrees
Visual albedo
0.159
Pole star BD 52
Degrees 2,880
Visual magnitude at mean opposition
-2.01
Mass
0.107
Density
3.5
"O Fortuna
Velut Luna"
Statu variabilis
Diameter
0.532
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