Which large planets have the most elongated orbits? Which planet is closest to a circle?

The extreme planets of the solar system – Mercury and Pluto have orbits with the greatest eccentricities: 0.206 and 0.253. The orbit is closest to the circumference of Venus, whose eccentricity is only 0.007.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.