Russian Federal Space Agency (ROSCOSMOS)Soyuz U31/6, Baikonur Cosmodrome, Republic of Kazakhstan
Yantar-4KS1M 2
Launched
April 8, 1992
Summary
Yantar-4KS1M 2 launched on a Russian Federal Space Agency (ROSCOSMOS) Soyuz U from 31/6, Baikonur Cosmodrome, Republic of Kazakhstan on April 8, 1992. It was Russian Federal Space Agency (ROSCOSMOS)'s 4th launch, 4th this year and humanity's 3,707th orbital launch attempt. It was the 583rd Soyuz U flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Kosmos-2183, one of 2 catalogued objects, reached a 192 × 271 km orbit inclined 64.9°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 583rd Soyuz U flight · 2nd this yearRussian Federal Space Agency (ROSCOSMOS)'s 4th launch4th this yearhumanity's 3,707th orbital launch attempt19th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-2183 · NORAD 21928 · 1992-018 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- COSMOS 2183
- Object ID
- 1992-018A
- Epoch
- 1992-04-08 13:41:05 UTC
- Mean motion
- 16.18254075 rev/day
- Eccentricity
- 0.0059856
- Inclination
- 64.87°
- Ascending node
- 57.6602°
- Arg. of perigee
- 66.8222°
- Mean anomaly
- 293.7701°
- Element set
- 999
- Rev at epoch
- 1
- 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
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- Kosmos-2183 · NORAD 21928 · deorbited February 16, 1993
Soyuz-U 53-750 Blok-I · re-entered April 10, 1992
Data from J. McDowell, planet4589.org
About this launch
The Neman or Yantar-4KS1M satellites were improved versions of the Terilen elctro-optical reconnaissance satellites. They were transmitting the data via Potok (Geizer) relay satellites.
Pad

31/6, Baikonur Cosmodrome, Republic of Kazakhstan
310th launch from 31/6, 1st this year · 981st from Baikonur Cosmodrome, Republic of Kazakhstan
430 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
113 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Yantar-4KS1M 2 launch?
Yantar-4KS1M 2 launched on April 8, 1992. The time is known to the hour, not the minute.
Where can I watch Yantar-4KS1M 2?
No webcast is on record for this launch.
What rocket launched Yantar-4KS1M 2?
Soyuz U, flown by Russian Federal Space Agency (ROSCOSMOS). Soyuz U spec sheet
Where did Yantar-4KS1M 2 launch from?
31/6, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Yantar-4KS1M 2 reach?
Kosmos-2183, one of 2 catalogued objects, reached a 192 × 271 km orbit inclined 64.9°.
How many satellites did Yantar-4KS1M 2 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)