Assessment of the on-ground risk during re-entries
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Thepresentpaperoutlinesmethodswhichallow to quantify and monitor the on-groundpopulationrisk in the courseof a hazardousre-entryevent. The risk potential will bederivedfrom anobjectrelatedcasualtycrosssection,theendangeredgroundswath,andtheunderlying populationdensity. Meanswill bedescribedto performa long-termrisk assessment for agivenlatitudeband,anda short-termrisk assessment for a givennodallongitudeof the final re-entryorbit. In caseof residualmanoeuvring capabilitiesstrategieswill beoutlinedto manageandreducetherisk potentialby controllingthenodallongitude of thefinal orbit,andtheimpactfootprint. Theusefulness of theseconceptswill bedemonstratedfor thehistoricreentriesof SkylabandSalyut-7,andfor therecentre-entry of theMir spacestation.
[1] B. Fritsche,et al. Spacecraft disintegration during uncontrolled atmospheric Re-entry , 2000 .
[2] U. Deichmann,et al. The Global Demography Project (95-6) , 1995 .