Soviet Space ProgramSoyuz U41/1, Plesetsk Cosmodrome, Russian Federation
Yantar-4K2 33
Launched
September 17, 1987
Summary
Yantar-4K2 33 launched on a Soviet Space Program Soyuz U from 41/1, Plesetsk Cosmodrome, Russian Federation on September 17, 1987. It was Soviet Space Program's 2,121st launch, 71st this year and humanity's 3,224th orbital launch attempt. It was the 483rd Soyuz U flight and the 24th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1886, one of 3 catalogued objects, reached a 170 × 367 km orbit inclined 67.1°. 3 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
- 483rd Soyuz U flight · 24th this yearSoviet Space Program's 2,121st launch71st this yearhumanity's 3,224th orbital launch attempt85th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1886 · NORAD 18366 · 1987-081 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1987-081A
- Epoch
- 1987-09-17 14:46:39 UTC
- Mean motion
- 16.04708954 rev/day
- Eccentricity
- 0.0148978
- Inclination
- 67.1229°
- Ascending node
- 207.647°
- Arg. of perigee
- 90.9449°
- Mean anomaly
- 270.8813°
- 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
3 catalogued: 1 payload, 1 rocket stage, 1 component; none still in orbit
- Kosmos-1886 · NORAD 18366 · landed November 2, 1987
Soyuz-U 28-853 Blok-I · re-entered September 22, 1987
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad

41/1, Plesetsk Cosmodrome, Russian Federation
290th launch from 41/1, 5th this year · 1,189th from Plesetsk Cosmodrome, Russian Federation
310 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
75 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Yantar-4K2 33 launch?
Yantar-4K2 33 launched on September 17, 1987. The time is known to the hour, not the minute.
Where can I watch Yantar-4K2 33?
No webcast is on record for this launch.
What rocket launched Yantar-4K2 33?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4K2 33 launch from?
41/1, Plesetsk Cosmodrome, Russian Federation.
What orbit did Yantar-4K2 33 reach?
Kosmos-1886, one of 3 catalogued objects, reached a 170 × 367 km orbit inclined 67.1°.
How many satellites did Yantar-4K2 33 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Soyuz U - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz2520u_image_20190222031023.jpeg&w=1600)