Kosmos 670

Kosmos 670 (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