Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Yantar-4KS1 11
Launched
November 11, 1988
Summary
Yantar-4KS1 11 launched on a Soviet Space Program Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on November 11, 1988. The mission failed. It was Soviet Space Program's 2,227th launch, 80th this year and humanity's 3,357th orbital launch attempt. It was the 523rd Soyuz U flight and the 30th this year. The payload was bound for low Earth orbit (LEO).
- Watch
- No webcast on record.
- Vehicle
- Soyuz U · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 523rd Soyuz U flight · 30th this yearSoviet Space Program's 2,227th launch80th this yearhumanity's 3,357th orbital launch attempt104th orbital launch attempt this year
Flight preview
About this launch
First generation electro-optical reconnaissance satellite
Pad

1/5, Baikonur Cosmodrome, Republic of Kazakhstan
266th launch from 1/5, 18th this year · 886th from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
62 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Yantar-4KS1 11 launch?
Yantar-4KS1 11 launched on November 11, 1988. The time is known to the hour, not the minute.
Where can I watch Yantar-4KS1 11?
No webcast is on record for this launch.
What rocket launched Yantar-4KS1 11?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4KS1 11 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit was Yantar-4KS1 11 going to?
Low Earth Orbit (LEO), a government/top secret mission.
![[AUTO] Soyuz U - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz2520u_image_20190222031023.jpeg&w=1600)