Astronomers discovered an object in the outer Solar System with a semimajor axis of 577 AU....

Astronomers discovered an object in the outer Solar System with a semimajor axis of 577 AU. What is its orbital period?

Its orbital period is how many years.

Expert Solution

This can be determined with the help of Kepler's 3rd law which suggests that, T²=a³

Given, a³= 577 AU, we have to determine T²,

So, T²=a³, T²= (8.32)³, (8.32)²= (8.32)³, 69.22= 577

So the orbital time period is 8.32 years.

Amanda K answered 3 years ago

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