Environmental Estimation of Sub-millimeter-sized Debris from In-situ Debris Measurements

DOI IR Open Access

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Other Title
  • 微小デブリのその場観測による環境変動推定

Description

This paper introduces efforts to estimate the environmental change due to on-orbit satellite fragmentations from in-situ measurements of the sub-millimeter-sized debris. Estimating the current environment of sub-millimeter-sized debris is important for designing spacecraft, especially for a protection perspective. First, therefore, this paper introduces a dynamical environmental model to define and dynamically update the current environment of sub-millimeter-sized debris. This model can also accommodate the environmental change due to on-orbit satellite fragmentations by applying an adaptive Monte Carlo filter. Identifying the origin of sub-millimeter-sized debris is also important to estimate the environmental change due to on-orbit satellite fragmentations. Second, therefore, this paper demonstrates that the exploded object can be identified using in-situ measurements of sub-millimeter-sized debris alone by applying a nonlinear model fitting. Finally, this paper also demonstrates that identifying the two objects collided is possible with a little extra effort to the method for the exploded object.

Physical characteristics: Original contains color illustrations

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