rootbrowseIAC-12C1session 33. Guidance, Navigation and Control (3)Papers1. The PRISMA Formation Flying Mission: GNC Capabilities and Future Opportunities2. Lidar-Based Terrain Safety Assessment for Spacecraft Landing3. Cluster-keeping Algorithms for the SAMSON Project4. Validation on flight data of a novel relative navigation approach for spaceborne GPS receivers flying in formation over large baselines5. TanSat Pointing Strategy and Attitude Guidance Law6. Terrain reconstruction method based on weighted robust linear estimation theory for small body exploration7. Comparison of two control strategies for unisat5 attitude control system8. Autonomous GNC system to enhance science of asteroid missions9. Simulation and Analysis of a Phobos-Anchored Tether10. Preliminary Flight Result and Architecture of SDS-4 Attitude Control Subsystem11. COLLABORATIVE GUIDANCE NAVIGATION AND CONTROL OF DISAGGREGATED SPACECRAFT IN THE PROXIMITY OF MINOR BODIES12. Propellantless rendez-vous of QB50 nanosatellites13. The study on satellite attitude determination method using GPS siganl strength