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



Mass

0.1017



Density

3.95



Diameter

0.532



Inclination of equator

24.936 degrees



Gravitational escape

3121 miles



inclination...