Uranus is approx 2.74 x 10^9 km away from Sun at perihelion and 3.00 x 10^9 km at aphelion. Find eccentricity of Uranus's orbit given that the perihelion is r = a(1 - e) and aphelion is r = a(1 + e).

Question

a. 

e ≈ 0.0853 km

b. 

e ≈ 0.0453 km

c. 

e ≈ - 0.0453 km

d. 

e ≈ -0.0853 km

Answer 1