Soyuz Kontakt A

Soyuz Kontakt A
Soyuz Kontakt A
Provisional drawing of Soyuz Kontakt A (Active) derivative of Soyuz for earth orbit tests of Kontakt lunar orbit docking system. It is uncertain if the Soyuz included the forward-mounted maneuvering engines, or just the active docking mechanism of the LOK lunar orbiter. Certainly the LOK's cupola forward viewing port would have to be included in the orbital module.

Credit: © Mark Wade. 17,398 bytes. 600 x 188 pixels.

Article Number: 11F615. Manufacturer's Designation: 7K-OK. Class: Manned. Type: Spacecraft. Nation: USSR. Manufacturer: Korolev.

Modification of the Soyuz 7K-OK spacecraft with the active portion of the Kontakt rendezvous and docking system, developed for the lunar orbit rendezvous of the 7K-OK manned lunar orbiter. Crews trained but due to delays with the N1 booster, the spacecraft never flew. Craft.Crew Size: 3. Design Life: 10 days. Orbital Storage: 35.00 days. Total Length: 8.0 m. Maximum Diameter: 2.7 m. Total Habitable Volume: 9.00 m3. Total Mass: 6,560 kg. Total Propellants: 500 kg. Primary Engine Thrust: 417 kgf. Main Engine Propellants: Nitric Acid/Hydrazine. Main Engine Isp: 282 sec. Total spacecraft delta v: 390 m/s. Electric system: 0.50 total average kW. Electrical System: Solar panel span: 9.80 m, area: 14.00 sq. m.

01 December 1969
01 March 1970
01 January 1972
01 March 1972
31 January 1973


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