The NASA Conjunction Assessment Risk Analysis team has implemented new software to estimate the probability of collision (P (sub c)) for Earth-orbiting satellites. The algorithm employs a brute force Monte Carlo (BFMC) method which differs from most other methods because it uses orbital states and covariances propagated from their orbit determination epoch times using the full set of Astrodynamics Support Workstation higher order theory models, including the High Accuracy Satellite Drag Model. This paper de-scribes the BFMC algorithm, presents comparisons of BFMC P (sub c) estimates to those calculated using other methods, and discusses the implications for conjunction risk assessment.


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    Title :

    High Fidelity Collision Probabilities Estimated Using Brute Force Monte Carlo Simulations


    Contributors:

    Conference:

    AAS/AIAA Astrodynamics Specialist Conference ; 2018 ; Snowbird, UT, United States


    Publication date :

    2018-08-19


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English