Tags: Artificialsatellite, Satellite.
Kosmos 501 (Russian: Космос 501 meaning Cosmos 501) known before launch as DS-P1-Yu No.50 was a Soviet satellite which was launched in 1972 as part of the Dnepropetrovsk Sputnik programme. It was a 250-kilogram (550 lb) spacecraft which was built by the Yuzhnoye Design Bureau and was used as a radar calibration target for anti-ballistic missile tests.Kosmos 501 was successfully launched into low Earth orbit at 05:59:57 UTC on 12 July 1972.