Kosmos 656

Kosmos 656 (Космос 656 meaning Cosmos 656) was an unmanned test of the Soyuz 7K-T, a variant of the Soyuz spacecraft. This Soyuz variant was intended for flights to the Almaz military space stations.

Mission parameters

 * Mass: 6675 kg
 * Perigee: 195 km
 * Apogee: 364 km
 * Inclination: 51.6°
 * Period: 90.0 minutes