COSMOS 1186, also known as Kosmos-1186, is a satellite with a Romb bus configuration launched on June 6, 1980, from the PLMSC launch site using the Kosmos 11K65M launch vehicle. The spacecraft measures 2.5 meters in length and has a diameter of 1.8 meters and a span of 23 meters, featuring an antenna array attached to its cylindrical body. It carries a Taifun-2A payload and weighs approximately 925 kilograms dry with a launch mass of 1045 kilograms. The satellite was manufactured by YUZH for the PVO (Air Defense) agency of the Soviet Union (SU). Its reflective surface area is estimated at 14.704 square meters, but specific details about its purpose and mission are not provided in the data given.