Of the planets in the solar system, Mercury is the closest to the Sun. It is a terrestrial planet with an average density that is higher than that of either Mars or Venus, and slight lower than that of Earth. In the table below, the observed values for Mercury are taken from Yoder (1995).[1] Go to table of characteristics.
2.2032(0991)1019 cm3 s?2 | |
3.3011026 g | |
2.44(01)108 cm | |
370 cm s?2 | |
4.25105 cm s?1 | |
5.42 g cm?3 | |
58.6462d | |
0.1 | |
87.968435 d | |
0.38709893 AU | |
0.20563069 | |
9.9369 106 ergs cm?2 s?1 |
[1] Yoder, Charles F. ?Astrometric and Geodetic Properties of Earth and the Solar System.? In Global Earth Physics: A Handbook of Physical Constants edited by T.J. Ahrens, 1?31. AGU Reference Shelf, No. 1. Washington: American Geophysical Union, 1995.