How much does a swing-by change the orbit of the planet?












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A friend of mine told me that one Voyager swing-by moved the orbit of Jupiter a foot closer to the sun. I understand that Jupiter was slowed by the gravity assist, but I figured it would be minuscule and basically unnoticeable. What is the true answer for this?






orbital-mechanics gravity-assist







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    1












    $begingroup$


    A friend of mine told me that one Voyager swing-by moved the orbit of Jupiter a foot closer to the sun. I understand that Jupiter was slowed by the gravity assist, but I figured it would be minuscule and basically unnoticeable. What is the true answer for this?






    orbital-mechanics gravity-assist







    share|improve this question







    New contributor




    SinisterMJ is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$















      1












      1








      1





      $begingroup$


      A friend of mine told me that one Voyager swing-by moved the orbit of Jupiter a foot closer to the sun. I understand that Jupiter was slowed by the gravity assist, but I figured it would be minuscule and basically unnoticeable. What is the true answer for this?






      orbital-mechanics gravity-assist







      share|improve this question







      New contributor




      SinisterMJ is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      A friend of mine told me that one Voyager swing-by moved the orbit of Jupiter a foot closer to the sun. I understand that Jupiter was slowed by the gravity assist, but I figured it would be minuscule and basically unnoticeable. What is the true answer for this?






      orbital-mechanics gravity-assist




      orbital-mechanics gravity-assist






      share|improve this question







      New contributor




      SinisterMJ is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      SinisterMJ is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




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      asked 2 hours ago









      SinisterMJSinisterMJ

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          1 Answer
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          $begingroup$


          • The mass of the Voyager is $approx$ 825 kg.

          • The mass of the Jupiter is $approx 1.9 cdot 10^{29}$ kg.


          The Voyager got some $frac{km}{s}$ velocity from the Jupiter by its gravitational slingshot maneuver. Due to impulse conservation, it caused $approx 10^{-23} frac{m}{s}$ change in the Jupiter's velocity vector.



          Using Kepler's Third law, the change in the Jupiter's orbital radius is in the order of some $10^{-20}$ m.



          The size of a nucleus is $approx 10^{-15}$ m.






          share|improve this answer









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          • $begingroup$
            So, a foot then @peterh!
            $endgroup$
            – GdD
            30 mins ago










          • $begingroup$
            @GdD It is billionths of the size of an atom.
            $endgroup$
            – peterh
            29 mins ago










          • $begingroup$
            I know @peterh, I was being sarcastic. Hard to communicate in a comment.
            $endgroup$
            – GdD
            26 mins ago











          Your Answer





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          1 Answer
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          1 Answer
          1






          active

          oldest

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          active

          oldest

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          active

          oldest

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          3












          $begingroup$


          • The mass of the Voyager is $approx$ 825 kg.

          • The mass of the Jupiter is $approx 1.9 cdot 10^{29}$ kg.


          The Voyager got some $frac{km}{s}$ velocity from the Jupiter by its gravitational slingshot maneuver. Due to impulse conservation, it caused $approx 10^{-23} frac{m}{s}$ change in the Jupiter's velocity vector.



          Using Kepler's Third law, the change in the Jupiter's orbital radius is in the order of some $10^{-20}$ m.



          The size of a nucleus is $approx 10^{-15}$ m.






          share|improve this answer









          $endgroup$













          • $begingroup$
            So, a foot then @peterh!
            $endgroup$
            – GdD
            30 mins ago










          • $begingroup$
            @GdD It is billionths of the size of an atom.
            $endgroup$
            – peterh
            29 mins ago










          • $begingroup$
            I know @peterh, I was being sarcastic. Hard to communicate in a comment.
            $endgroup$
            – GdD
            26 mins ago
















          3












          $begingroup$


          • The mass of the Voyager is $approx$ 825 kg.

          • The mass of the Jupiter is $approx 1.9 cdot 10^{29}$ kg.


          The Voyager got some $frac{km}{s}$ velocity from the Jupiter by its gravitational slingshot maneuver. Due to impulse conservation, it caused $approx 10^{-23} frac{m}{s}$ change in the Jupiter's velocity vector.



          Using Kepler's Third law, the change in the Jupiter's orbital radius is in the order of some $10^{-20}$ m.



          The size of a nucleus is $approx 10^{-15}$ m.






          share|improve this answer









          $endgroup$













          • $begingroup$
            So, a foot then @peterh!
            $endgroup$
            – GdD
            30 mins ago










          • $begingroup$
            @GdD It is billionths of the size of an atom.
            $endgroup$
            – peterh
            29 mins ago










          • $begingroup$
            I know @peterh, I was being sarcastic. Hard to communicate in a comment.
            $endgroup$
            – GdD
            26 mins ago














          3












          3








          3





          $begingroup$


          • The mass of the Voyager is $approx$ 825 kg.

          • The mass of the Jupiter is $approx 1.9 cdot 10^{29}$ kg.


          The Voyager got some $frac{km}{s}$ velocity from the Jupiter by its gravitational slingshot maneuver. Due to impulse conservation, it caused $approx 10^{-23} frac{m}{s}$ change in the Jupiter's velocity vector.



          Using Kepler's Third law, the change in the Jupiter's orbital radius is in the order of some $10^{-20}$ m.



          The size of a nucleus is $approx 10^{-15}$ m.






          share|improve this answer









          $endgroup$




          • The mass of the Voyager is $approx$ 825 kg.

          • The mass of the Jupiter is $approx 1.9 cdot 10^{29}$ kg.


          The Voyager got some $frac{km}{s}$ velocity from the Jupiter by its gravitational slingshot maneuver. Due to impulse conservation, it caused $approx 10^{-23} frac{m}{s}$ change in the Jupiter's velocity vector.



          Using Kepler's Third law, the change in the Jupiter's orbital radius is in the order of some $10^{-20}$ m.



          The size of a nucleus is $approx 10^{-15}$ m.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 1 hour ago









          peterhpeterh

          1,63111429




          1,63111429












          • $begingroup$
            So, a foot then @peterh!
            $endgroup$
            – GdD
            30 mins ago










          • $begingroup$
            @GdD It is billionths of the size of an atom.
            $endgroup$
            – peterh
            29 mins ago










          • $begingroup$
            I know @peterh, I was being sarcastic. Hard to communicate in a comment.
            $endgroup$
            – GdD
            26 mins ago


















          • $begingroup$
            So, a foot then @peterh!
            $endgroup$
            – GdD
            30 mins ago










          • $begingroup$
            @GdD It is billionths of the size of an atom.
            $endgroup$
            – peterh
            29 mins ago










          • $begingroup$
            I know @peterh, I was being sarcastic. Hard to communicate in a comment.
            $endgroup$
            – GdD
            26 mins ago
















          $begingroup$
          So, a foot then @peterh!
          $endgroup$
          – GdD
          30 mins ago




          $begingroup$
          So, a foot then @peterh!
          $endgroup$
          – GdD
          30 mins ago












          $begingroup$
          @GdD It is billionths of the size of an atom.
          $endgroup$
          – peterh
          29 mins ago




          $begingroup$
          @GdD It is billionths of the size of an atom.
          $endgroup$
          – peterh
          29 mins ago












          $begingroup$
          I know @peterh, I was being sarcastic. Hard to communicate in a comment.
          $endgroup$
          – GdD
          26 mins ago




          $begingroup$
          I know @peterh, I was being sarcastic. Hard to communicate in a comment.
          $endgroup$
          – GdD
          26 mins ago










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