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Questions and Answers
What is the minimal set of parameters required for orbit determination?
What is the minimal set of parameters required for orbit determination?
- (a,e) (semimajor axis, eccentricity) at a given time
- (i, heta) (inclination, true anomaly) at a given time
- (r,v) (position, velocity) at a given time (correct)
- (T, heta) (period, true anomaly) at a given time
What are the primary sources of discrepancies between predicted and true values in orbit determination?
What are the primary sources of discrepancies between predicted and true values in orbit determination?
- Errors or inadequacy of the dynamical model (correct)
- Measurement noise, limiting the accuracies of the observations
- Errors in the numerical procedure
- All of the above
Why is it virtually impossible to propagate the state of a spacecraft for very long times without incurring in serious discrepancies?
Why is it virtually impossible to propagate the state of a spacecraft for very long times without incurring in serious discrepancies?
- Due to errors in the numerical procedure
- Due to errors or inadequacy of the dynamical model (correct)
- Due to measurement noise, limiting the accuracies of the observations
- Due to limitations of the available technology
What are the measurements linked to the dynamical state used for orbit determination?
What are the measurements linked to the dynamical state used for orbit determination?
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What is the textbook used for this module on orbit determination?
What is the textbook used for this module on orbit determination?
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