Kosmos 101
Kosmos 101 ( meaning Cosmos 101), also known as DS-P1-Yu No.4 was a Soviet satellite which was used as a radar calibration target for tests of anti-ballistic missiles. It was built by the Yuzhnoye Design Bureau, and launched in 1965 as part of the Dnepropetrovsk Sputnik programme. The launch of Kosmos 101 was conducted using a Kosmos-2I 63S1 carrier rocket, which flew from Site 86/1 at Kapustin Yar. The launch occurred at 06:14 GMT on 21 December 1965. Kosmos 101 separated from its carrier rocket into a low Earth orbit with a perigee of , an apogee of , an inclination of 49.0°, and an orbital period of 92.4 minutes. It decayed from orbit on 12 July 1966. Kosmos 101 was the fourth of seventy nine DS-P1-Yu satellites to be launched, of which all but seven were successful. See also 1965 in spaceflight References Spacecraft launched in 1965 Kosmos satellites 1965 in the Soviet Union Dnepropetrovsk Sputnik program