Kosmos 670 (Russian: Космос 670 meaning Cosmos 670) was an unmanned Soyuz 7K-S test. It used a new and unique inclination of 50.6 degree. The experience from these flights were used in the development of the successor program Soyuz spacecraft the Soyuz 7K-ST.
Mission parameters Spacecraft: 7K-S Mass: 6700 kg Crew: None Launched: August 6, 1974 Landed: August 8, 1974 23:59 UTC. Perigee: 221 km Apogee: 294 km Inclination: 50.6 deg Duration: 2.99 days
See also Kosmos 772 Kosmos 869
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