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Homework Help: Angular separation between moons

  1. Apr 21, 2015 #1
    Please help im not sure of how to work this out

    The angular separation between Styx and Nix 28 days after they are in line with each other on the same side of Pluto.

    Mass of Nix = 5*10^16 Kg
    Orbital Radius of Nix = 48675 Km
    Orbital period of Styx = 20 earth days
  2. jcsd
  3. Apr 21, 2015 #2


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    Through what angle about Pluto will Styx have gone in 28 days?
    How will you calculate the angle for Nix?
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