rootbrowseIAC-10A6session 22. Modelling and Risk AnalysisPapers1. Validation of the ESA-MASTER-2009 space debris population2. Modeling of LEO orbital debris populations in centimeter and millimeter size regimes3. ORDEM2010 and MASTER-2009 modeled small debris population comparison4. multi-layer insulation model for master-20095. A parametric study on using active debris removal to stabilize the future LEO debris environment6. orbital evolution of high area-to-mass ratio debris under the influence of the radiation pressure and gravitational effects7. explicit expression of collision probability for space objects in arbitrary-shape orbit8. Evaluation of the TLE Predictions for Conjunction Assessment9. Optimal Collision Avoidance Maneuver to Maintain a LEO Station Keeping10. Effects of Space Debris on the Cost of Space Operation11. electromagnetic scattering model of space debris in the resonance region12. Updated First Order Value Analysis for Orbital Debris Removal: The Business Case.13. An analysis of recent major breakups in the low Earth orbit region14. Orbital evolution of the first upper stages used for the new European and Chinese navigation satellite systems in MEO