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Astronomy Home Work how do i solve for the aphellion distance when i only have the perihelion distance.?

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  • 1 month ago

    You can't unless you also know the semimajor axis or the eccentricity.

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  • Clive
    Lv 7
    1 month ago

    Do your own homework.

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  • 1 month ago

    Then, you must either have the speed at that distance, or the major axis length, or the eccentricity of the orbit. 

    Here's some formulas you can use, based on the information you might have: 

    https://en.wikipedia.org/wiki/Elliptic_orbit

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  • Bill
    Lv 7
    1 month ago

    You should have something else, like the orbital period.

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