rootbrowseIAC-20A6session 22. Modeling and Risk AnalysisPapers1. KEYNOTE: Identifying the 50 Statistically Most Concerning Derelict Objects in LEO3. Risk assessment of recent high-interest conjunctions4. improving CA services: a post-analysis of the S3TOC data, products and operations.5. The IMPACT Satellite Fragmentation Model6. Improvements and updates in MASTER-89. Development of a first principles approach to quantify and assess in-orbit risk11. A Novel Approach for the Accurate Simulation of Re-entry Fragmentation12. An Evidence-Based Machine Learning Approach to Autonomous Collisions Risk Assessment and Collision Avoidance Execution15. risk analysis from geosynchronous satellites' debris after collision