Encyclopedia Astronautica
Zenit-2SLB


Ukrainian orbital launch vehicle. Two-stage version of the Zenit-3SL booster developed for the Sea Launch program, modified for launch from ground facilities at Baikonur. Uses the common Zenit-2SB core vehicle with no upper stage.

LEO Payload: 12,030 kg (26,520 lb) to a 400 km orbit at 51.60 degrees.

AKA: Zenit-2M.
Status: Active.
Gross mass: 458,900 kg (1,011,700 lb).
Payload: 12,030 kg (26,520 lb).
Height: 57.35 m (188.15 ft).
Diameter: 3.90 m (12.70 ft).
Thrust: 7,300.00 kN (1,641,100 lbf).
Apogee: 400 km (240 mi).
First Launch: 2007.06.29.
Number: 1 .

More... - Chronology...


Associated Countries
Associated Spacecraft
  • Tselina-2 Ukrainian military naval signals reconnaisance satellite. 25 launches, 1984.09.28 (Cosmos 1603) to 2007.06.29 (Cosmos 2406). More...

See also
  • Zenit Zenit was to be a modular new generation medium Soviet launch vehicle, replacing the various ICBM-derived launch vehicles in use since the 1960's (Tsiklon and Soyuz). A version of the first stage was used as strap-ons for the cancelled Energia heavy booster. But it was built by Yuzhnoye in the Ukraine; when the Soviet Union broke up planned large-scale production for the Soviet military was abandoned (Angara development was begun as an indigenous alternative). Launch pads were completed only at Baikonur; those at Plesetsk were never finished and are planned to be completed as Angara pads. However the vehicle found new life as a commercial launch vehicle, launched from a sea platform by an American/Ukrainian consortium. More...

Associated Manufacturers and Agencies
  • Yuzhnoye Ukrainian manufacturer of rockets, spacecraft, and rocket engines. Yangel Design Bureau, Dnepropetrovsk, Ukraine. More...

Associated Launch Sites
  • Baikonur Russia's largest cosmodrome, the only one used for manned launches and with facilities for the larger Proton, N1, and Energia launch vehicles. The spaceport ended up on foreign soil after the break-up of Soviet Union. The official designations NIIP-5 and GIK-5 are used in official Soviet histories. It was also universally referred to as Tyuratam by both Soviet military staff and engineers, and the US intelligence agencies. Since the dissolution of the Soviet Union the Russian Federation has insisted on continued use of the old Soviet 'public' name of Baikonur. In its Kazakh (Kazak) version this is rendered Baykonur. More...

Associated Stages
  • Zenit-1 Lox/Kerosene propellant rocket stage. Loaded/empty mass 354,300/28,600 kg. Thrust 8,181.13 kN. Vacuum specific impulse 337 seconds. Modification of same stage used as strap-on for Energia launch vehicle. More...
  • Zenit-2 Lox/Kerosene propellant rocket stage. Loaded/empty mass 90,600/9,000 kg. Thrust 912.00 kN. Vacuum specific impulse 349 seconds. More...

Zenit-2SLB Chronology


2007 June 29 - . 10:00 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC45/1. LV Family: Zenit. Launch Vehicle: Zenit-2SLB. LV Configuration: Zenit-2M 1-2005.
  • Cosmos 2428 - . Mass: 3,200 kg (7,000 lb). Nation: Russia. Agency: VKS. Manufacturer: Yuzhnoye. Class: Military. Type: Military naval signals reconnaisance satellite. Spacecraft: Tselina-2. USAF Sat Cat: 31792 . COSPAR: 2007-029A. Apogee: 857 km (532 mi). Perigee: 846 km (525 mi). Inclination: 71.0000 deg. Period: 102.00 min. Summary: Signals intelligence satellite. First launch in three years, and first with the improved version of the Zenit-2 launch vehicle using components developed for the Zenit-3SL..

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