Terrestrial Planet

Mercury

Mercury is currently about 152,271,170 kilometres from Earth, or 1.018 astronomical units, which puts a one-way radio signal 8.5 minutes out. It is 0.439 astronomical units from the Sun.

This page is about Mercury itself. For where it is in the sky tonight, how far from the Sun it currently appears and when to look, see Where is Mercury right now.

Mercury Globe: 0°N, 0°E
NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington, Public domain (NASA). Source.

The smallest planet and the closest to the Sun. A cratered, airless world of extreme temperature swings, racing around its orbit in just 88 days.

BepiColombo is closing in, with orbit insertion scheduled for late 2026.

Right now

Distance from Earth
152,271,170 km (1.018 AU)
Distance from the Sun
65,716,018 km (0.439 AU)
One-way signal time
8.5 minutes

The body

Mean radius
2,440 km
Day
58.6 Earth days
Year
88 days
Moons
None
Mercury on the live map, in its real position. Drag to look around, or open the full map.

Nearby on the map

Everything on the map