Abstract
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. The resulting data describe the number of Space Station encounters with debris as a function of the buffer zone. These results are translated to fuel requirements for avoidance maneuvers. Sensitivity analysis results caused by varying the initial conditions, system dynamics and operations philosophy are discussed.
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