Closest approach to earth 
34,600,000 miles 
Mean distance from the sun 
141,600,000 miles 
Mean distance from the sun 
141,600,000 miles 
Period of rotation around the sun 
1.88089 years 
Sideral 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 
Visual magnitude at mean opposition
-2.01 
Mass
0.10174
density
3.93 
"O Fortuna 
velut Luna"
statu variabilis, "O Fortune
like the Moon"
you are changeable, 
diameter
0.532
Inclination of equator to orbit
24.936 degrees
gravitational escape velocity
3.121 miles per hour 
inclination_