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Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Yantar-4KS1 8
Launched
September 11, 1987
Summary
Yantar-4KS1 8 launched on a Soviet Space Program Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on September 11, 1987. It was Soviet Space Program's 2,118th launch, 68th this year and humanity's 3,219th orbital launch attempt. It was the 481st Soyuz U flight and the 22nd this year. The payload was bound for low Earth orbit (LEO). Kosmos-1881, one of 4 catalogued objects, reached a 186 × 295 km orbit inclined 64.8°. 4 objects from this launch are catalogued, one of them a payload.
- 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
- 481st Soyuz U flight · 22nd this yearSoviet Space Program's 2,118th launch68th this yearhumanity's 3,219th orbital launch attempt80th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1881 · NORAD 18343 · 1987-076 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1987-076A
- Epoch
- 1987-09-11 01:58:09 UTC
- Mean motion
- 16.14864139 rev/day
- Eccentricity
- 0.0082622
- Inclination
- 64.7666°
- Ascending node
- 56.6471°
- Arg. of perigee
- 69.3862°
- Mean anomaly
- 291.6148°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
4 catalogued: 1 payload, 1 rocket stage, 2 components; none still in orbit
- Kosmos-1881 · NORAD 18343 · deorbited March 30, 1988
Soyuz-U 28-852 Blok-I · re-entered September 15, 1987
Data from J. McDowell, planet4589.org
About this launch
First generation electro-optical reconnaissance satellite
Pad
1/5, Baikonur Cosmodrome, Republic of Kazakhstan
243rd launch from 1/5, 11th this year · 831st from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
38 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Yantar-4KS1 8 launch?
Yantar-4KS1 8 launched on September 11, 1987. The time is known to the hour, not the minute.
Where can I watch Yantar-4KS1 8?
No webcast is on record for this launch.
What rocket launched Yantar-4KS1 8?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4KS1 8 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Yantar-4KS1 8 reach?
Kosmos-1881, one of 4 catalogued objects, reached a 186 × 295 km orbit inclined 64.8°.
How many satellites did Yantar-4KS1 8 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).