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 2880
Official magnitude at opposition
-2.01
Mass
0.01017
Density
3.5
O Fortuna
velut Luna
statu variabilis
Diameter
0.532
Inclination for equator
24.936 degrees
Gravitational escape velocity
3121 miles per hour