Which planet's orbit is the least eccentric in the solar system? Most?
Question #56018. Asked by achernar.
Last updated Sep 23 2016.
gmackematix
Answer has 1 vote
gmackematix 22 year member
3206 replies
Answer has 1 vote.
Most is easy...if you count Pluto as a planet.
Mar 18 2005, 1:38 AM
Arpeggionist
Answer has 2 votes
Arpeggionist 21 year member
2173 replies
Answer has 2 votes.
Least excentric is Venus.
Mar 18 2005, 1:49 AM
nautilator
Answer has 6 votes
Currently Best Answer
nautilator Moderator 13 year member
467 replies
Answer has 6 votes.
Currently voted the best answer.
The eccentricity of a planet measures how circular or elliptical its orbit is. The close it is to 0, the closer the orbit is to a circle. Among the 8 planets, the eccentricities range from 0.007 (Venus) to 0.206 (Mercury).