The high eccentricity of Mercury's orbit probably has nothing to do with Mercury's 3:2 synchof rotation and revolution.

Question

Quizplus · Accepted Answer

The high eccentricity of Mercury's orbit is closely related to its 3:2 spin-orbit resonance, where Mercury rotates three times on its axis for every two orbits it completes around the Sun. This resonance is a stable configuration that likely resulted from tidal interactions between Mercury and the Sun, influenced by the planet's elliptical orbit.

The High Eccentricity of Mercury's Orbit Probably Has Nothing to Do