SOVIET SPACE PROGRAM
Soyuz-U | Zenit-6U 91 (Kosmos 1533)
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Jan 26, 1984 at 08:50 UTC
▸ Flight profile›
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PAD31/6
SITEBaikonur Cosmodrome, Republic of Kazakhstan →ORBITLow Earth Orbit
TYPEGovernment/Top Secret
MISSION OVERVIEW
Optical film-return reconnaissance satellite
LAUNCH DETAILS
VEHICLE
Soyuz-UAGENCY
Soviet Space ProgramMISSION
Zenit-6U 91
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
31/6LAUNCH SITE
Baikonur Cosmodrome, Republic of KazakhstanCOUNTRY
RUS
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: d037095b-b948-4b9f-a09c-f967b2066510
Reported date: Jan 26, 1984 at 08:50 UTC
Last synced: 1 minute ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Soyuz-U →
MANUFACTURER
Soviet Space Program
VARIANT
2
FLIGHTS
71
SUCCESSES
71
SUCCESS RATE
100%
The Soyuz-U2 was a Soviet, later Russian, carrier rocket. It was derived from the Soyuz-U, and a member of the R-7 family of rockets. It featured increased performance compared with the baseline Soyuz-U, due to the use of syntin propellant, as opposed to RP-1 paraffin, used on the Soyuz-U.
FREQUENTLY ASKED QUESTIONS
When is the Soyuz-U | Zenit-6U 91 (Kosmos 1533) launch?
The Soyuz-U | Zenit-6U 91 (Kosmos 1533) is scheduled for Thursday, January 26, 1984 at 8:50 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Zenit-6U 91?
The Soyuz-U | Zenit-6U 91 (Kosmos 1533) mission uses the Soyuz-U rocket, manufactured by Soviet Space Program. The Soyuz-U has flown 71 times with a 100% success rate.
Where is the Soyuz-U | Zenit-6U 91 (Kosmos 1533) launching from?
The launch takes place from 31/6 at Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit is Zenit-6U 91 going to?
The Zenit-6U 91 mission is targeting Low Earth Orbit.
Who is launching Zenit-6U 91?
The Soyuz-U | Zenit-6U 91 (Kosmos 1533) is operated by Soviet Space Program.
Can I watch the Soyuz-U | Zenit-6U 91 (Kosmos 1533) launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
LAUNCH TIMELINE
Mar 29, 2026 23:44 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 23:44 UTC
Launch date set: Jan 26, 1984 at 08:50 UTC
NET (No Earlier Than) confirmed by Soviet Space Program
Mar 29, 2026 23:44 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 1 minute ago
●Launch Library 21 minute ago
Launch ID: d037095b-b948-4b9f-a09c-f967b2066510
●Open-Meteo Weather3 days ago
Pad weather at 46, 63.56
Mission Profile
Zenit-6U 91 was a Soyuz-U 2 mission operated by Soviet Space Program that lifted off from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on January 26, 1984. The flight carried its payload on a government/top secret mission to Low Earth Orbit. The launch was a success.