Quick Facts

Average Distance from Sun: 
35,900,000 miles  
(57,800,000 kilometers)
0.39 AU

Length of Year: 
87 days, 23 hours

Length of Day: 
58 days, 16 hours

Diameter at Equator:
3,030 miles  (4,878 kilometers)

Mass: 
0.0553 times Earth

Surface Temperature:
-297¡F to 870¡F  (-183¡C to 467¡C)