The Tianzhou-3 satellite, also known as TIANZHOU-3 or 2021-085A, was launched on September 20, 2021, from Wenchang Spacecraft Launch Site (WSC) using the Chang Zheng 7 launch vehicle. It has a NORAD catalog ID of 49222 and is owned by CMSEO. The spacecraft measures 9 meters in length with a diameter of 3.35 meters and a span of 9 meters, featuring a step cylinder plus two panels shape design. Its dry mass is 6000 kilograms, while its launch mass was 7220 kilograms. Tianzhou-3's primary mission is to supply cargo and operates with the power from two deployable solar arrays and batteries. The satellite was manufactured by CAST and launched from LC201 pad at WSC.