[Spoken]

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

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

[Chorus]

[?]

[Spoken]

Diameter:

0.532