Rocket: Chang Zheng 3BGZ/YZ-1; Payload: Beidou-3M21 (Beidou-50), Beidou-3M22 (Beidou-51); Date: 23 November 2019, 0055 UTC; Launch site: Xichang Satellite Launch Center, China. The two navigation satellite were placed into approx. 21,535 km x 22,190 km x 54.99° orbits after a four-hour mission.