Soviet Space ProgramSoyuz U1/5, Baikonur Cosmodrome, Republic of Kazakhstan
Yantar-4KS1 15
Launched
December 21, 1990
Summary
Yantar-4KS1 15 launched on a Soviet Space Program Soyuz U from 1/5, Baikonur Cosmodrome, Republic of Kazakhstan on December 21, 1990. It was Soviet Space Program's 2,392nd launch, 76th this year and humanity's 3,594th orbital launch attempt. It was the 572nd Soyuz U flight and the 18th this year. The payload was bound for low Earth orbit (LEO). Kosmos-2113, one of 2 catalogued objects, reached a 187 × 293 km orbit inclined 64.8°. 2 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
- 572nd Soyuz U flight · 18th this yearSoviet Space Program's 2,392nd launch76th this yearhumanity's 3,594th orbital launch attempt118th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-2113 · NORAD 21026 · 1990-113 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- COSMOS 2113
- Object ID
- 1990-113A
- Epoch
- 1990-12-21 07:40:54 UTC
- Mean motion
- 16.15095068 rev/day
- Eccentricity
- 0.0080436
- Inclination
- 64.7642°
- Ascending node
- 219.9303°
- Arg. of perigee
- 69.7596°
- Mean anomaly
- 289.5536°
- 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-2113 · NORAD 21026 · deorbited June 11, 1991
Soyuz-U 17-739 Blok-I · re-entered December 22, 1990
Data from J. McDowell, planet4589.org
About this launch
First generation electro-optical reconnaissance satellite
Pad

1/5, Baikonur Cosmodrome, Republic of Kazakhstan
297th launch from 1/5, 12th this year · 951st from Baikonur Cosmodrome, Republic of Kazakhstan
487 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
18 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Yantar-4KS1 15 launch?
Yantar-4KS1 15 launched on December 21, 1990. The time is known to the hour, not the minute.
Where can I watch Yantar-4KS1 15?
No webcast is on record for this launch.
What rocket launched Yantar-4KS1 15?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Yantar-4KS1 15 launch from?
1/5, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Yantar-4KS1 15 reach?
Kosmos-2113, one of 2 catalogued objects, reached a 187 × 293 km orbit inclined 64.8°.
How many satellites did Yantar-4KS1 15 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)