SOVIET SPACE PROGRAM
Soyuz U | Yantar-4K2 18
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Oct 25, 1985 at 14:40 UTC
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MISSION OVERVIEW
Film-return reconnaissance satellite
LAUNCH DETAILS
VEHICLE
Soyuz UAGENCY
Soviet Space ProgramMISSION
Yantar-4K2 18
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
16/2
LAUNCH SITE
Plesetsk Cosmodrome, Russian FederationCOUNTRY
RUS
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 31876ac7-f52f-45b0-9cb9-3920fda92514
Reported date: Oct 25, 1985 at 14:40 UTC
Last synced: 14 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 | Yantar-4K2 18 launch?
The Soyuz U | Yantar-4K2 18 is scheduled for Friday, October 25, 1985 at 2:40 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Yantar-4K2 18?
The Soyuz U | Yantar-4K2 18 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 | Yantar-4K2 18 launching from?
The launch takes place from 16/2 at Plesetsk Cosmodrome, Russian Federation.
What orbit is Yantar-4K2 18 going to?
The Yantar-4K2 18 mission is targeting Low Earth Orbit.
Who is launching Yantar-4K2 18?
The Soyuz U | Yantar-4K2 18 is operated by Soviet Space Program.
Can I watch the Soyuz U | Yantar-4K2 18 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 23:45 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 23:45 UTC
Launch date set: Oct 25, 1985 at 14:40 UTC
NET (No Earlier Than) confirmed by Soviet Space Program
Mar 29, 2026 23:45 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 14 minutes ago
●Launch Library 214 minutes ago
Launch ID: 31876ac7-f52f-45b0-9cb9-3920fda92514
●Open-Meteo Weather1 week ago
Pad weather at 62.96, 40.68
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Mission Profile
Yantar-4K2 18 was a Soyuz U mission operated by Soviet Space Program that lifted off from 16/2, Plesetsk Cosmodrome, Russian Federation on October 25, 1985. The flight carried its payload on a government/top secret mission to Low Earth Orbit. The launch was a success.