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
Citerial rotation period
24 hours, 37 minutes, 22.66 seconds
Mean surface atmospheric temperature
-23 degrees
Official albedo
0.159
.... 52 degrees
2880
Official magnitude at mean position
-2.01
Ma**
0.1017
Density
3.95
Diameter
0.532
Inclination of equator
24.936 degrees
Gravitational escape
3121 miles
inclination...