















Orbit Size Around Sun (semimajor axis) 


Metric: 57,909,227 km 
English: 35,983,125 miles 
Scientific Notation:
5.7909227 x 10^{7} km (0.38709927 A.U.)

By Comparison: Earth is 1 A.U. (Astronomical Unit) from the sun. 






Metric: 46,001,009 km 
English: 28,583,702 miles 
Scientific Notation:
4.600 x 10^{7} km (3.075 x 10^{1} A.U.)

By Comparison: 0.313 x Earth 






Metric: 69,817,445 km 
English: 43,382,549 miles 
Scientific Notation:
6.982 x 10^{7} km (0.4667 A.U.)

By Comparison: 0.459 x Earth 






Metric: 359,976,856 km 
English: 223,679,248 miles 
Scientific Notation: 3.600 x 10^{8} km 
By Comparison: 0.383 x Earth 






Metric: 170,503 km/h 
English: 105,946 mph 
Scientific Notation: 4.7362 x 10^{4} m/s 
By Comparison: 1.590 x Earth 






0.20563593 
By Comparison: 12.305 x Earth 










Equatorial Inclination to Orbit 


0 degrees 
By Comparison: Earth's equatorial inclination to orbit is 23.45 degrees. 






Metric: 2,439.7 km 
English: 1,516.0 miles 
Scientific Notation: 2.4397 x 10^{3} km 
By Comparison: 0.3829 x Earth 






Metric: 15,329.1 km 
English: 9,525.1 miles 
Scientific Notation: 1.53291 x 10^{4} km 






Metric: 60,827,208,742 km^{3} 
English: 14,593,223,446 mi^{3} 
Scientific Notation: 6.08272 x 10^{10} km^{3} 
By Comparison: 0.056 x Earth's 






Metric: 330,104,000,000,000,000,000,000 kg 
Scientific Notation: 3.3010 x 10^{23} kg 
By Comparison: 0.055 x Earth's 






Metric: 5.427 g/cm^{3} 
By Comparison: 0.984 x Earth 






Metric: 74,797,000 km^{2} 
English: 28,879,000 square miles 
Scientific Notation: 7.4797 x 10^{7} km^{2} 
By Comparison: 0.147 x Earth 






Metric: 3.7 m/s^{2} 
English: 12.1 ft/s^{2} 
By Comparison: If you weigh 100 pounds on Earth, you would weigh 38 pounds on Mercury. 






Metric: 15,300 km/h 
English: 9,507 mph 
Scientific Notation: 4.25 x 10^{3} m/s 
By Comparison: Escape Velocity of Earth is 25,030 mph 




Sidereal Rotation Period (Length of Day) 


58.646 Earth days 
1407.5 hours 
By Comparison: 58.81 x Earth 




Minimum/Maximum Surface Temperature 


Metric: 173/427 °C 
English: 279/801 °F 
Scientific Notation: 100/700 K 
By Comparison: Earth's temperature range is ~ 185/331 K. 






By Comparison: Earth's atmosphere consists mostly of N_{2}, O_{2} 









Additional Information:
Namesake: Messenger of the Roman gods
Successive Sunrises: 175.97 days





