Kosmos 656
Mission typeTest flight
COSPAR ID1974-036A
SATCAT no.07313Edit this on Wikidata
Mission durationapproximately 2.01 days
Spacecraft properties
Spacecraft typeSoyuz 7K-T
ManufacturerNPO Energia
Start of mission
Launch date27 May 1974, 07:20 (1974-05-27UTC07:20Z) UTC
Launch siteBaikonur 1/5[1]
End of mission
Landing date29 May 1974 (1974-05-30)
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude195 kilometres (121 mi)
Apogee altitude364 kilometres (226 mi)
Inclination51.6 degrees
Period90.0 minutes

Kosmos 656 (Russian: 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.[1]

Mission parameters


  1. ^ a b "Soyuz 7K-T/A9". Astronautix. Archived from the original on 3 January 2010. Retrieved 10 November 2010.