![[AUTO] Soyuz U - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fsoyuz2520u_image_20190222031023.jpeg&w=1600)
Soviet Space ProgramSoyuz U31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Yantar-4K2 28
Launched
January 9, 1987
Summary
Yantar-4K2 28 launched on a Soviet Space Program Soyuz U from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on January 9, 1987. It was Soviet Space Program's 2,052nd launch, 2nd this year and humanity's 3,141st orbital launch attempt. It was the 460th Soyuz U flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Kosmos-1811, one of 3 catalogued objects, reached a 179 × 350 km orbit inclined 64.9°. 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
- 460th Soyuz U flight · 1st this yearSoviet Space Program's 2,052nd launch2nd this yearhumanity's 3,141st orbital launch attempt2nd orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1811 · NORAD 17292 · 1987-002 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 1987-002A
- Epoch
- 1987-01-09 12:30:16 UTC
- Mean motion
- 16.06147191 rev/day
- Eccentricity
- 0.0128499
- Inclination
- 64.8575°
- Ascending node
- 333.8904°
- Arg. of perigee
- 66.0719°
- Mean anomaly
- 295.3848°
- 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-1811 · NORAD 17292 · landed February 13, 1987
Soyuz-U 28-358 Blok-I · re-entered January 16, 1987
Data from J. McDowell, planet4589.org
About this launch
Film-return reconnaissance satellite
Pad
31/6, Baikonur Cosmodrome, Republic of Kazakhstan
296th launch from 31/6, 1st this year · 801st from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
57 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Yantar-4K2 28 launch?
Yantar-4K2 28 launched on January 9, 1987. The time is known to the hour, not the minute.
Where can I watch Yantar-4K2 28?
No webcast is on record for this launch.
What rocket launched Yantar-4K2 28?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4K2 28 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Yantar-4K2 28 reach?
Kosmos-1811, one of 3 catalogued objects, reached a 179 × 350 km orbit inclined 64.9°.
How many satellites did Yantar-4K2 28 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).