COSMOS 1351, also known as Kosmos-1351, is a satellite launched on April 21, 1982, from the KYMSC launch site using a Kosmos 11K65M launch vehicle from Launch Pad LC107/1. The satellite was manufactured by YUZH and designed for radar calibration purposes. It has dimensions of 2.5 meters in length and 1.8 meters in diameter with a span of 23 meters, indicating it likely carries deployable solar arrays or antennas. Its dry mass is 925 kilograms, and at launch, its total mass was 1045 kilograms. The satellite's configuration is AUOS-3 and has the "Romb" bus design, equipped with Taifun-2V (05) payload and powered by eight deployable fixed solar arrays along with batteries for energy storage. It belongs to the PVO and operates in space for radar calibration missions.