|Orbital Period||88 days|
|Distance from the Sun||Semi-Major Axis: 57,909,050 km (0.39 AU)|
Perihelion: 46,001,212 km (0.31 AU)
Aphelion: 69,816,888 km (0.47 AU)
|Rotation Period||1,407.5 hours|
|Mean Surface Temperature||+172°C|
|Notes||A rocky, heavily cratered world, Mercury is the innermost of the Solar System's planets, following an orbit around the Sun at a little more than a third of Earth's distance.|
A view of the barren, cratered world of Mercury.
The second smallest of the planets in the Solar System, whose orbit
carries it the closest to the Sun. Mercury is a barren, desolate world, not unlike
Earth's Moon in general appearance.
eSky © copyright Mark Fisher 1999-2019
Surface maps courtesy Jet Propulsion Laboratory. Copyright © California Institute of Technology, Pasadena, CA. All rights reserved.