Encyclopedia Astronautica
Rokot K

Rokot launch vehicle
Russian all-solid orbital launch vehicle. Version with Briz-K upper stage.

LEO Payload: 1,850 kg (4,070 lb).

Gross mass: 107,000 kg (235,000 lb).
Payload: 1,850 kg (4,070 lb).
Height: 29.00 m (95.00 ft).
Diameter: 2.50 m (8.20 ft).
Thrust: 1,870.00 kN (420,390 lbf).
Apogee: 1,500 km (900 mi).

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Associated Countries
See also
  • UR-100N The UR-100N was designed as a replacement for the UR-100 at the end of its ten year storage life. Although it could be installed in the same silos, it was 50% heavier. The competing design of Yangel, the MR-UR-100, was also put into production when the Soviet hierarchy deadlocked and could not pick one design over the other. More...

Associated Manufacturers and Agencies
  • Chelomei Russian manufacturer of rockets, spacecraft, and rocket engines. Chelomei Design Bureau, Reutov, Russia. More...

Associated Stages
  • Rokot-3 Briz N2O4/UDMH propellant rocket stage. Loaded/empty mass 6,565/1,600 kg. Thrust 19.60 kN. Vacuum specific impulse 326 seconds. High performance storable liquid engine. The basic stage can be adapted with 'wrap-around' propellant tanks for Proton booster applications. More...
  • UR-100N Stage 1N N2O4/UDMH propellant rocket stage. Loaded/empty mass 77,150/5,695 kg. Thrust 1,778.66 kN. Vacuum specific impulse 310 seconds. More...
  • UR-100N Stage 2N N2O4/UDMH propellant rocket stage. Loaded/empty mass 12,195/1,485 kg. Thrust 214.27 kN. Vacuum specific impulse 322 seconds. Engine has one main engine and four verniers. Verniers continue to burn for 19 seconds after mainstage shutoff. More...

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