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Zenit-2M

Voskhod 11A57 launch from Plesetsk (Soviet Union) on September 21, 1971, carrying 1 payload. GCAT records the launch as a success.

September 21, 1971 · 12:00 UTCLaunch 1971-078Launch no. 1,256 in the log
SpaceportPlesetskpad LC43/3
OutcomeSuccess
Launch agencyRVSNSoviet Union

Flight

Date and time (UTC)
September 21, 1971, 12:00
Launch designation
1971-078
Mission
Zenit-2M
Flight name
Kosmos-439
Vehicle flight ID
7705711-124

Orbit and payload

Initial apogee
342 km
Payload mass to orbit
5.4 t
Payloads
1
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
Kosmos-4391971-078ANORAD 5478TsKBEM Filial No. 3Optical imaging2,200 kgLanded · Oct 2, 1971

Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.