rootbrowseIAC-16A6session 22. Modelling and Risk AnalysisPapers1. Collision Risk in Low Earth Orbit2. Revisiting the cataloged debris collision risk for the Iridium and COSMO-SkyMed satellite constellations3. Effect of CubeSats on Collision Avoidance Warnings and Long-Term Debris Growth in Near-Earth Environment4. Mega-constellations, small satellites and their impact on the space debris environment5. influences of mega constellations on the orbital environment6. Study of Disposal Options for Reducing the Future Debris Environment in Medium Earth Orbit7. The effect of the GNSS disposal strategies on the long term evolution of the MEO region8. PRELIMINARY CHARACTERIZATION RESULTS FROM THE DEBRISAT PROJECT9. Release of liquid metal droplets from Cosmos 1818 and 186710. Degradation of MLI and painting induced generation of debris11. Spacecraft design optimisation for demise and survivability. Collision Risk in Geosynchronous Earth Orbit