Probing supermassive black hole binaries with orbital resonances of laser-ranged satellites Minghui Du, Qiong Deng, Yifan Bian, Ziren Luo and Peng Xu Eur. Phys. J. C, 83 6 (2023) 554 Published online: 30 June 2023 DOI: 10.1140/epjc/s10052-023-11748-9