Soyuz 11A510

Russian orbital launch vehicle. Version of R-7 launch vehicle with Vostok second stage and unknown third stage used only twice to launch prototype RORSATs. These satellites were originally to have been launched on the cancelled UR-200 launcher, and operational satellites used Tsyklon-2 launchers.

LEO Payload: 4,500 kg (9,900 lb) to a 200 km orbit at 65.00 degrees.

Stage Data - Vostok 11A510

• Stage 0. 4 x Soyuz 11A511-0. Gross Mass: 43,000 kg (94,000 lb). Empty Mass: 3,550 kg (7,820 lb). Thrust (vac): 994.300 kN (223,528 lbf). Isp: 314 sec. Burn time: 118 sec. Isp(sl): 257 sec. Diameter: 2.68 m (8.79 ft). Span: 2.68 m (8.79 ft). Length: 19.60 m (64.30 ft). Propellants: Lox/Kerosene. No Engines: 1. Engine: RD-107-11D511. Other designations: 11S59 Blocks A,B,V,G. Status: In Production.

• Stage 1. 1 x Soyuz 11A511-1. Gross Mass: 100,500 kg (221,500 lb). Empty Mass: 6,500 kg (14,300 lb). Thrust (vac): 977.700 kN (219,796 lbf). Isp: 315 sec. Burn time: 292 sec. Isp(sl): 252 sec. Diameter: 2.95 m (9.67 ft). Span: 2.95 m (9.67 ft). Length: 27.80 m (91.20 ft). Propellants: Lox/Kerosene. No Engines: 1. Engine: RD-108-11D512. Other designations: 11S59 Block D. Status: In Production.

• Stage 2. 1 x Vostok 8A92-2. Gross Mass: 7,775 kg (17,140 lb). Empty Mass: 1,440 kg (3,170 lb). Thrust (vac): 54.900 kN (12,342 lbf). Isp: 326 sec. Burn time: 369 sec. Diameter: 2.56 m (8.39 ft). Span: 2.56 m (8.39 ft). Length: 2.84 m (9.31 ft). Propellants: Lox/Kerosene. No Engines: 1. Engine: RD-0109. Status: Out of Production.

• Stage 3. 1 x Tsyklon 2-3. Gross Mass: 3,200 kg (7,000 lb). Empty Mass: 400 kg (880 lb). Thrust (vac): 77.960 kN (17,526 lbf). Isp: 317 sec. Burn time: 112 sec. Diameter: 2.00 m (6.50 ft). Span: 2.00 m (6.50 ft). Length: 2.50 m (8.20 ft). Propellants: N2O4/UDMH. No Engines: 1. Engine: RD-861. Status: In Production. Comments: Integral portion of payload.