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Approximate orbital period for earth's moon

  1. Mar 30, 2003 #1
    Does anyone know what would be the approximate orbital period (time for one complete orbit) for an apple placed in orbit around Earth at the moon’s distance from Earth?
  2. jcsd
  3. Mar 30, 2003 #2


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    Staff: Mentor

    Orbital period depends strictly on distance (for relatively small objects). The apple would have the same period as the moon.
  4. Mar 31, 2003 #3
    GMEarthmapple or Moon/(RMoon)2=mapple or Moon(vorbital)2/RMoon

    so vorbital is the same for both Moon and apple, since mapple or Moon cancels (Newtonian approximation as Russ pointed out), and Porbital=(2[pi]RMoon)/vorbital
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