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.

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Expert Answer

Step 1

(13)

According to the Kepler’s third law,

Physics homework question answer, step 1, image 1

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

Physics homework question answer, step 1, image 2

The orbital period of the planet is,

Physics homework question answer, step 1, image 3

Step 2

(14)

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

Physics homework question answer, step 2, image 1

...

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