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the lunar ephemeris accuracy.

  1. Calculate the mass: Use the equation below and your own individual data to calculate the mass of Jupiter in kilograms (kg).
  2. Determine your accuracy: For your individual data, calculate the % error in your result for Jupiter’s mass. The accepted value for the mass of Jupiter is 1.9×1027kg:
  3. Summarize the class results: Construct a table for the mass and % error, calculated from the class data.
  4. One or many? Is the overall average of combining many sets of observations better than an average obtained from a single set of data? Why might this be?
  5. Bad moon? Does the data from one moon appear less accurate than the others? Why might this be?
  6. Better data? What could you do differently to get better data? Suggest specifically how, using this method, you might improve the accuracy of your calculated mass.
  7. Themisto? Predict the orbital period in days of Jupiter’s moon Themisto, which has an orbital radius r = 52 JD. Calculate using the accepted value for the mass of Jupiter, 1.9×1027kg.