Mercury takes about 88 Earth days to orbit the Sun, more precisely around 87.97 days.

Since your prompt is set up like a blog spec, here’s a short, SEO-friendly version in that style.

How Long Does It Take for Mercury to Orbit the Sun?

Quick Scoop

If you’re wondering “how long does it take for Mercury to orbit the Sun?” the answer is: about 88 Earth days. That means Mercury has the shortest year of any planet in our solar system.

Mercury’s Super Short Year

  • Mercury completes one full revolution around the Sun in roughly 87.97 Earth days.
  • In other words, a Mercury year is a bit less than three Earth months.
  • Its average distance from the Sun is about 58 million km (36 million miles).

Because it’s so close to the Sun and moves so fast, Mercury races through its orbit much more quickly than Earth does.

Why Is Mercury’s Orbit So Fast?

  • Mercury’s orbit is small and tight , only about 0.39 AU from the Sun (less than half Earth’s distance).
  • It travels at an average speed of roughly 47–48 km per second (about 170,000 km/h).
  • This combination of short distance and high speed gives it that 88‑day year.

A simple way to picture it: Mercury is like the runner taking the inside lane on a track and sprinting, while the outer planets jog on wider, slower lanes.

Bonus: A Day on Mercury vs a Year

This part often surprises people:

  • Mercury’s rotation period (one spin on its axis) is about 58.6 Earth days.
  • Because of a special 3:2 spin–orbit resonance , Mercury rotates three times for every two orbits around the Sun.
  • The result: one solar day on Mercury (from one noon to the next) lasts about 176 Earth days , which is longer than its year.

So on Mercury, the Sun crawls across the sky incredibly slowly, even though the planet itself is whipping around the Sun very quickly.

Key Facts (HTML Table Format)

Since you asked for tables as HTML, here’s a compact fact table:

html

<table>
  <tr>
    <th>Property</th>
    <th>Mercury Value</th>
  </tr>
  <tr>
    <td>Time to orbit the Sun (year length)</td>
    <td>≈ 87.97–88 Earth days[web:1][web:3][web:7][web:10]</td>
  </tr>
  <tr>
    <td>Rotation period (sidereal day)</td>
    <td>≈ 58.6 Earth days[web:1][web:3][web:5][web:7]</td>
  </tr>
  <tr>
    <td>Solar day (noon to noon)</td>
    <td>≈ 176 Earth days[web:7]</td>
  </tr>
  <tr>
    <td>Average distance from Sun</td>
    <td>≈ 58 million km (36 million miles)[web:1][web:3][web:7]</td>
  </tr>
  <tr>
    <td>Average orbital speed</td>
    <td>≈ 47–48 km/s[web:1][web:3][web:10]</td>
  </tr>
</table>

Information gathered from public forums or data available on the internet and portrayed here.