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DS-P1-Yu No. 55

Kosmos 11K63 launch from Plesetsk (Soviet Union) on April 12, 1973, carrying 1 payload. GCAT records the launch as a success.

April 12, 1973 · 11:49 UTCLaunch 1973-020Launch no. 1,435 in the log
RocketKosmos 11K63
SpaceportPlesetskpad LC133/3
OutcomeSuccess
Launch agencyRVSNSoviet Union

Flight

Date and time (UTC)
April 12, 1973, 11:49
Launch designation
1973-020
Mission
DS-P1-Yu No. 55
Flight name
Kosmos-553
Vehicle flight ID
29547-142

Orbit and payload

Initial perigee
271 km
Initial apogee
492 km
Inclination
71.0°
Payload mass to orbit
0.200 t
Payloads
1
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
Kosmos-5531973-020ANORAD 6427Proto-Vozdhusnoy OboronyCalibration200 kgReentered (orbital decay) · Nov 11, 1973

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