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Comparison Chart
Comparison: Mercury vs. Mercury

This chart shows the differences between Mercury and Mercury. To change the planets/moons being compared, change one or more of the form fields at the bottom and click Refresh.

Discovered By
Known by the Ancients
Known by the Ancients
Date of Discovery
Unknown
Unknown
Average Orbit Distance
57,909,227 km
57,909,227 km
Perihelion (closest)
46,001,009 km
46,001,009 km
Aphelion (farthest)
69,817,445 km
69,817,445 km
Equatorial Radius
2,439.7 km
2,439.7 km
Equatorial Circumference
15,329.1 km
15,329.1 km
Volume
60,827,208,742 km3
60,827,208,742 km3
Mass
330,104,000,000,000,000,000,000 kg
330,104,000,000,000,000,000,000 kg
Density
5.427 g/cm3
5.427 g/cm3
Surface Area
74,797,000 km2
74,797,000 km2
Equatorial Surface Gravity
3.7 m/s2
3.7 m/s2
Escape Velocity
15,300 km/h
15,300 km/h
Rotation Period (Length of Day)
58.646 sidereal days
58.646 sidereal days
Orbit Period (Length of Year)
0.2408467 sidereal years
0.2408467 sidereal years
Mean Orbit Velocity
170,503 km/h
170,503 km/h
Orbit Eccentricity
0.20563593
0.20563593
Orbit Inclination to Ecliptic
7.0 degrees
7.0 degrees
Equatorial Inclination to Orbit
0 degrees
0 degrees
Orbit Circumference
359,976,856 km
359,976,856 km
Minimum/Maximum Surface Temperature
-173/427 °C
-173/427 °C

 

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System of measurement:

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Last Updated: 28 May 2014