Zenit-2
Country of Origin: Soviet Union / Ukraine
Manufacturer: Yuzhnoye
Height: 57 m
Diameter: 3.9 m
Payload to LEO: 13.74 tons
Total Mass: 460 tons
Launch Sites: Baikonur
First Flight: April 13, 1985 (Zenit-2); June 29, 2007 (Zenit-2M)
Last Flight: June 10, 2004 (Zenit-2); November 8, 2011 (Zenit-2M)
Total Launches: 36 (Zenit-2); 2 (Zenit-2M)
Successful Launches: 28 (Zenit-2); 2 (Zenit-2M)
Zenit-2
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 | 3.9 m | RP-1 / LOX | RD-171 | 150 s | 7908 kN | ? / 337 s | |
| 2 | RP-1 / LOX | RD-120 + RD-8 verniers | 315 s | 833.6 kN + 79.5 kN | ? / 349 s |
Zenit-2M
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 | 3.9 m | RP-1 / LOX | RD-171 | 140-150 s | 7908 kN | ? / 337.2 s | 354.35 tons / 27.56 tons |
| 2 | 3.9 m | RP-1 / LOX | RD-120 + RD-8 verniers | 360-370 s | 883.6 kN + 79.4 kN | ? / 349 s | 90.79 tons / 8.3 tons |
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