Multiple choice general knowledge science & technology Which planet has the least eccentric orbit around the sun ? venus mercury uranus mars Reveal answer Fill a bubble to check yourself A Correct answer Explanation Venus has the nearly circular orbit among all planets with an eccentricity of approximately 0.007. Mercury has the most eccentric orbit (0.206), while Mars (0.094) and Uranus (0.047) have more elliptical orbits than Venus.