Trajectories of a magnetic sphere in a shaken three-dimensional granular bed under low gravity

Our study utilizes the advanced magnetic particle tracking method to precisely track the movement of an intruder within a vibration-driven granular medium in a centrifuge aboard the Chinese Space Station. We conducted experiments under six distinct low-gravity environments, capturing and analyzing trajectories across various vibration modes. In addition to detailed accounts of the data collection and processing algorithms, we make the raw magnetic field data, processing scripts, and visualization tools publicly accessible. This openness facilitates further research in granular medium under reduced gravity.