SOVIET SPACE PROGRAM
Soyuz U | Resurs-F1 17F40 104L 4
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May 21, 1987 at 07:44 UTC
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PAD43/4 (43R)
SITEPlesetsk Cosmodrome, Russian Federation →ORBITSun-Synchronous Orbit
TYPEEarth Science
MISSION OVERVIEW
Film-return Earth observation satellite
LAUNCH DETAILS
VEHICLE
Soyuz UAGENCY
Soviet Space ProgramMISSION
Resurs-F1 17F40 104L 4
MISSION TYPE
Earth Science
TARGET ORBIT
Sun-Synchronous Orbit
LAUNCH PAD
43/4 (43R)LAUNCH SITE
Plesetsk Cosmodrome, Russian FederationCOUNTRY
RUS
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 24f7530e-c9f6-40ae-83cb-149add797921
Reported date: May 21, 1987 at 07:44 UTC
Last synced: 2 minutes 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
Russian Federal Space Agency (ROSCOSMOS)
FLIGHTS
714
SUCCESSES
694
SUCCESS RATE
97.2%
FREQUENTLY ASKED QUESTIONS
When is the Soyuz U | Resurs-F1 17F40 104L 4 launch?
The Soyuz U | Resurs-F1 17F40 104L 4 is scheduled for Thursday, May 21, 1987 at 7:44 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 Resurs-F1 17F40 104L 4?
The Soyuz U | Resurs-F1 17F40 104L 4 mission uses the Soyuz U rocket, manufactured by Russian Federal Space Agency (ROSCOSMOS). The Soyuz U has flown 714 times with a 97.2% success rate.
Where is the Soyuz U | Resurs-F1 17F40 104L 4 launching from?
The launch takes place from 43/4 (43R) at Plesetsk Cosmodrome, Russian Federation.
What orbit is Resurs-F1 17F40 104L 4 going to?
The Resurs-F1 17F40 104L 4 mission is targeting Sun-Synchronous Orbit.
Who is launching Resurs-F1 17F40 104L 4?
The Soyuz U | Resurs-F1 17F40 104L 4 is operated by Soviet Space Program.
Can I watch the Soyuz U | Resurs-F1 17F40 104L 4 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 05:33 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 05:33 UTC
Launch date set: May 21, 1987 at 07:44 UTC
NET (No Earlier Than) confirmed by Soviet Space Program
Mar 29, 2026 05:33 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 2 minutes ago
●Launch Library 22 minutes ago
Launch ID: 24f7530e-c9f6-40ae-83cb-149add797921
●Open-Meteo Weather23 hours ago
Pad weather at 62.93, 40.46
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Mission Profile
Resurs-F1 17F40 104L 4 was a Soyuz U mission operated by Soviet Space Program that lifted off from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on May 21, 1987. The flight carried its payload on a earth science mission to Sun-Synchronous Orbit. The launch was a success.