Improved Chang Zheng 5 returns to flight – Satellite News Digest
Rocket: Chang Zheng 5 Y3; Payload: Shijian-20 (SJ-20); Date: 27 December 2019, 1245 UTC; Launch site: Wenchang Space Launch Center, China. The experimental satellite SJ-20 was deployed into supersynchronous transfer orbit some 36 minutes after lift-off. [This was likely the last satellite launch of 2019.–Ed.] http://www.sat-nd.com/archive/?id=2019122700