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Zenit-4M

Voskhod 11A57 launch from Baikonur (Soviet Union) on July 20, 1971, carrying 1 payload. GCAT records the launch as a success.

July 20, 1971 · 10:00 UTCLaunch 1971-061Launch no. 1,236 in the log
SpaceportBaikonurpad LC31
OutcomeSuccess
Launch agencyRVSNSoviet Union

Flight

Date and time (UTC)
July 20, 1971, 10:00
Launch designation
1971-061
Mission
Zenit-4M
Flight name
Kosmos-429
Vehicle flight ID
7705712-221

Orbit and payload

Initial apogee
365 km
Payload mass to orbit
6.0 t
Payloads
1
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
Kosmos-4291971-061ANORAD 5331Main Space Forces DirectorateOptical imaging2,200 kgLanded · Aug 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.