Solar system guide

Explore Mercury

Mercury races around the Sun faster than any other planet. Its ancient, cratered surface moves between searing daylight and bitterly cold nights.

Terrestrial planet

Diameter

4,879 km

One rotation

58.6 days

From the Sun

0.39 AU

ONE TRIP AROUND THE SUN

88 days

Quick facts

One sunrise-to-sunrise day lasts 176 Earth days.

Sizes and distances in the viewer are adapted for exploration. Orbital periods and rotation speeds preserve their real relative timing.