Space Missions and Orbit Determination
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Questions and Answers

What is the minimal set of parameters required for orbit determination?

  • (r,v) (correct)
  • (t,m)
  • (a,e)
  • (x,y)

    • Which textbook will be used in this module for orbit determination?

  • JOHNSON, MARK: Fundamentals of Space Navigation
  • WILLIAMS, LISA: Celestial Mechanics and Astrodynamics
  • TAPLEY, SCHUTZ, BORN: Statistical Orbit Determination, Elsevier (2004) (correct)
  • SPENCER, PETER: Understanding Orbital Mechanics

    • What are the measurements linked to the dynamical state for orbit determination?

  • Electric field, magnetic field
  • Density, viscosity
  • Temperature, pressure
  • Range, range-rate, angles (correct)

    • What causes the predicted values of the trajectory to differ from the true ones in orbit determination?

    <p>Combination of errors or inadequacy of the dynamical model, measurement noise, and errors in the numerical procedure</p> Signup and view all the answers

    Why must the state determination be repeated in orbit determination?

    <p>Due to errors or inadequacy of the dynamical model and measurement noise</p> Signup and view all the answers

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