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A discrete event simulation model was developed to analyze the effect of space debris on the Space Station operations. The space environment model includes elements contributing debris (e.g., launches) and the dynamics of the elements (e.g., explosions and decay). The model simulates the Space Station operations and interaction with the debris environment.… (More)
A stochastic computer model was developed to analyze a direct ascent, deep space intercept system. There are two error sources within the system: the deep space tracking system and the launch vehicle guidance system. The errors are modeled based on equipment performance data and analytical results. To compensate for the system errors, the requirements for a… (More)