Planet Mercury

Some Mercurian Facts
courtesy of NASA

Average Distance from the Sun57,909,175 km (metric)
35,983,095 miles (english)
Perihelion (closest)46,000,000 km (metric)
28,580,000 miles (english)
Aphelion (farthest)69,820,000 km (metric)
43,380,000 miles (english)
Equatorial Radius2,439.7 km (metric)
1,516.0 miles (english)
Equatorial Circumference15,329.1 km (metric)
9,525.1 miles (english)
Volume60,827,200,000 km3 (metric)
14,593,200,000 mi3 (english)
Mass330,220,000,000,000,000,000,000 kg (metric)
Density5.427 g/cm3 (metric)
Surface Area74,800,000 km2 (metric)
28,900,000 miles2 (english)
Equatorial Surface Gravity3.7 m/s2 (metric)
12.1 ft/s2 (english)
Escape Velocity15,300 km/h (metric)
9,500 mph (english)
Sidereal Rotation Period (Length of Day)58.646 Earth days (1407.5 hours)
Sidereal Orbit Period (Length of Year)0.241 Earth years (87.97 Earth days)
Mean Orbit Velocity172,341 km/h (metric)
107,088 mph (english)
Orbital Eccentricity0.20563069
Orbital Inclination to Ecliptic
Equatorial Inclination to Orbit
Orbital Circumference356,000,000 km (metric)
221,000,000 miles (english)
Minimum/Maximum Surface Temperature173°/427° C (metric)
279°/801° F (english)
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