A new planet in orbit about the Sun has a semi-major axis of 1.68 AU and an eccentricity of 0.0938. What is the perihelion distance of the new planet in AU?
If we discover a new planet in our solar system with a period of 14900.0 years, how far is the planet from the Sun in AU?
A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.31 AU and an eccentricity of 0.078. What is the aphelion distance (in AU) of the new planet?
Semi-major axis 1.68 AU
a = 1.68
rmin = a (1-e)
= 1.68 ( 1 - .0938) = 1.52 AU (perihelion)