Question

Asked Feb 5, 2020

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A newly discovered planet orbits a star with the same mass as the Sun with a semi-major axis of 329.12 million kilometers. Its orbital eccentricity is 0.6.

13. Find the planet’s orbital period.

14. Find the planet’s perihelion distance.

15. Find the planet’s aphelion distance.

Step 1

(13)

According to the Kepler’s third law,

The distance between the Sun and planet at the semi-major-axis in AU is,

The orbital period of the planet is,

Step 2

(14)

The perihelion distance of the planet nearest to the sun is,

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