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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
20 year member
3324 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
19 year member
2173 replies

Answer has 2 votes.
Least excentric is Venus.

Mar 18 2005, 1:49 AM
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nautilator star
Answer has 6 votes
Currently Best Answer
nautilator star
Moderator
11 year member
467 replies avatar

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).

Mercury 0.206
Venus 0.007
Earth 0.017
Mars 0.093
Jupiter 0.048
Saturn 0.056
Uranus 0.047
Neptune 0.009

Sep 23 2016, 2:34 PM
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