Perhelion distance: ____________AU Aphelion distance: ____________ AU

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Science

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Explanation & Answer

Well, the Period allows us to work out the semi-major axis a:

a^3 = P^2

a = (2.415^2)^(1/3) = 1.8 AU

So we know that's the average. The perihelion distance looks by my judgment to be approximately 1/2 of the aphelion distance (or 2/3 of the semi-major axis): So Dper = 1.2AU and Daph = 2.4AU, roughly. A ruler and the (weird) scale should yield similar results I hope!


Anonymous
I was having a hard time with this subject, and this was a great help.

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