This is the SS-250, one of the smallest launch vehicles currently in use. Made by the JAXA (japanese space agency), this small rocket has been made to put into orbit the most smallest satellite called cubesat. In the night of 3rd February 2018, one of these smallest rocket was carrying a cubesat called TRICOM-1R made by the University of Tokyo. It was a re-flight of a mission which were delayed in December 2017.
TRICOM-1R