November 6-8, 2019: Space Sciences and Technology Conference The 63rd JSASS Space Sciences and Technology Conferencewas held in Tokushima city, and the following five membeer had the presentations on their research; Satou" Coupling and separation mechanism of flexible structure using electromagnet " Yamada" Application of Self-Deployable Membrane Truss Structure to Large Membrane Antenna " Tatara" Effect on crease stiffness and its variation for the deployment of membrane structure " Fujii" Mission Progress of Amateur Communication Technology Demonstration Satellite "NEXUS" " Matsuura" Contact Analysis of Debris Capture Device Using 3D Self-Deployable Truss "