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Model: Kosmos-1. Gross Mass: 87,200 kg (192,200 lb). Empty Mass: 5,300 kg (11,600 lb). Thrust (vac): 1,740.023 kN (391,173 lbf). Isp: 292 sec. Burn time: 130 sec. Propellants: Nitric acid/UDMH. Isp(sl): 248 sec. Diameter: 2.40 m (7.80 ft). Span: 4.40 m (14.40 ft). Length: 22.40 m (73.40 ft). Country: Ukraine. No Engines: 1. Motor: RD-216. Status: Active. Cost $ : 10.000 million. First Flight: 1959. Last Flight: 2007. No Launched: 1283. No Failed: 10. Other designations: Skean; SS-5; R-14; 8K65; 65; 11K65.

Launch count 411 orbital and ca. 300 suborbital to end 1994. Failures based on proration of failures to orbit.



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