The Mars Science Laboratory (MSL) spacecraft had ambitious navigation delivery and knowledge accuracy requirements for landing inside Gale Crater. Confidence in the orbit determination (OD) solutions was increased by investigating numerous filter strategies for solving the orbit determination problem. We will discuss the strategy for the different types of variations: for example, data types, data weights, solar pressure model covariance, and estimating versus considering model parameters. This process generated a set of plausible OD solutions that were compared to the baseline OD strategy. Even implausible or unrealistic results were helpful in isolating sensitivities in the OD solutions to certain model parameterizations or data types.
Filter Strategies for Mars Science Laboratory Orbit Determination
AAS/AIAA Spaceflight Mechanics Meeting ; 2013 ; Kauai, HI, United States
2013-02-10
Aufsatz (Konferenz)
Keine Angabe
Englisch
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