COSMOS 1628, also known as Kosmos-1628, is a reconnaissance satellite launched by the Soviet Union on February 6, 1985, from the Plesetsk Cosmodrome LC16/2 using a Soyuz-U launch vehicle. The spacecraft, manufactured by TSSKB and designated with the OBJECT_ID 1985-012A, uses the Zenit bus configuration known as Oblik for its mission. It has dimensions of 6 meters in length and diameter of 2.2 meters, with a span of 6 meters, and weighs approximately 2655 kilograms both at launch and dry mass. The satellite is powered by batteries and features motors including the 11D82M and S5.120 (maneuver module). Its mission is to conduct photographic reconnaissance using film return technology as part of the GUKOS owned payload Oblik No. 309. The shape of COSMOS 1628 is described as a combination of a sphere and a DCone, designed for its specific reconnaissance purpose in space.