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 (C)</p> Signup and view all the answers