Labels:text | screenshot | font OCR: Mean distance from Sun 57,900,000 km (36,000,000 mi) Length of year 88 days Length of day 58.6 days Inclination of axis 7* Equatorial diameter 4,880 km (3,030 mi) Mass compared to Earth .054 Specific density (water = 1) 5.4 Atmosphere trace Mean surface temperature 350º C (660º F) day -170º C(-270º F) night Satellites none
