rootbrowseIAC-23A6session 22. Modeling and Risk AnalysisPapers1. Multi-perspective analysis of sustainability metrics characterising the debris environment2. Evaluation of the effectiveness of 5-year rule -- Impact on the orbital environment at each altitude by reducing the post-mission disposal lifetime3. Using Machine Learning to Predict Hypervelocity Fragment Propagation of Space Debris Collisions4. Extension of ESA’s Survival And Risk Analysis tool with hemisphere and lattice shapes5. Quantifying the Induced and Encountered Risk of Space Missions6. Large-scale mapping and analysis of collision avoidance manoeuvres with semi-analytical models8. Collision risk estimation in multi-event scenarios9. Swarm intelligence collision avoidance method for LEO communication satellites10. Dynamic characterisation of space debris position and velocity probability density functions and their impact on tracking performance