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Development of a Monte Carlo Mars-Gram Model for 2001 Mars Odyssey Aerobraking Simulations

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Abstract

Atmospheric density data taken during the Mars Global Surveyor aerobraking mission (1997–1999) showed significant variability over the altitude ranges (100–140 km) of interest for aerobraking. This paper presents the method by which Mars Global Surveyor data were used to determine the statistical distribution of mean density and the amplitude and phase of stationary atmospheric waves as a function of latitude. The combination of mean density and waves produced a good fit to the observed data. Using this information, a model was developed to implement the variations into Monte Carlo simulations for future missions to Mars, specifically the Mars Odyssey aerobraking mission (October, 2001–January, 2002). An example of Monte Carlo results for the Mars Odyssey aerobraking mission is shown.

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Authors and Affiliations

  1. Vehicle Analysis Branch, NASA Langley Research Center, MS 365, Hampton, VA, 23605, USA

    Alicia M. Dwyer, Michelle M. Munk & Paul V. Tartabini

  2. School Engineering and Applied Sciences, George Washington University, JIAFS, NASA Langley Research Center, MS 335, Hampton, VA, 23605, USA

    Robert H. Toison (Professor)

Authors
  1. Alicia M. Dwyer
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  2. Robert H. Toison
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  3. Michelle M. Munk
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  4. Paul V. Tartabini
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Dwyer, A.M., Toison, R.H., Munk, M.M. et al. Development of a Monte Carlo Mars-Gram Model for 2001 Mars Odyssey Aerobraking Simulations. J of Astronaut Sci 50, 191–211 (2002). https://doi.org/10.1007/BF03546262

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  • DOI: https://doi.org/10.1007/BF03546262

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