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SO-M No. 504

Molniya 8K78M launch from Baikonur (Soviet Union) on December 22, 1975, carrying 1 payload. GCAT records the launch as a success.

December 22, 1975 · 02:08 UTCLaunch 1975-122Launch no. 1,774 in the log
RocketMolniya 8K78Mvariant SOL
SpaceportBaikonurpad LC31
OutcomeSuccess
Launch agencyRVSNSoviet Union

Flight

Date and time (UTC)
December 22, 1975, 02:08
Launch designation
1975-122
Mission
SO-M No. 504
Flight name
Prognoz-4
Vehicle flight ID
76041 -575

Orbit and payload

Initial apogee
150,000 km
Payload mass to orbit
1.2 t
Payloads
1
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
Prognoz-41975-122ANORAD 8510Institut Kosmicheksiye IssledovaniyaAstronomy905 kgLeft Earth orbit for deep space · Dec 22, 1975

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