rootbrowseIAC-09A6session 55. Space Surveillance, Legal Aspects and Space Debris ModellingPapers1. Analysis of Design Drivers for the Surveillance and Tracking Segment of the European SSA System2. Analysis of the Technical Feasibility of Building an International Civil Space Situational Awareness System3. Cataloguing capability of objects in the GEO ring4. Concretising the Implementation of Space Debris Mitigation and Re-Mediation Guidelines: Lessons Learnt from the Protection of the Earth’s Environment5. AN OVERVIEW OF LEGAL IMPLICATIONS GOVERNING SPACE-BASED ACTIVITIES REGARDING SPACE DEBRIS MITIGATION: SHORTCOMINGS OF CURRENT SPACE TREATIES AND CONVENTIONS6. Requirements of developing an automatic collision avoidance system (ACOLAS) for large satellites7. Modeling hypervelocity impact of debris particles on space structures8. collision probability explicit expression and maximum collision probability for space objects9. Surveillance and Mitigation of Orbital Debris: Laser Systems and Standards10. determination of precise orbit and terrestrial reference frame from the first slr observations in korea11. SPACE SURVEILLANCE - LESSONS LEARNED FROM THE IRIDIUM COSMOS COLLISION