COSMOS 1450, also known as Kosmos-1450, is a radar calibration satellite launched on April 6, 1983, from the PLMSC launch site using LC132/2 with a Kosmos 11K65M launch vehicle. It was manufactured by YUZH for PVO and has a spherical shape measuring 2 meters in length, diameter, and span. The satellite's dry mass is 570 kilograms, which is the same as its launch mass. Its primary mission is radar calibration, using solar cells and batteries for power. The satellite's RCS is 6.51, indicating its reflective surface area.