Xiangxu Lei was born in Taian, Shandong, China, in 1989. He received a B.S. degree in Geomatics from Shandong University of Science and Technology in 2012, and M.S. and Ph.D. degrees in Geodesy and Geomatics from Wuhan University in 2015 and 2019, respectively. Since 2019, he has been a lecturer at the School of Civil and Architecture Engineering, Shandong University of Technology. His research interests include space debris surveillance, initial orbit determination, track association, and space object cataloging.