Yantar'-4K1 Satellite Bus
Data current as of 2026-07-20.
The Yantar'-4K1 bus accounts for 12 cataloged objects, of which 0 are in orbit and 0 are active. 12 have reentered. Most are built by TSSKB. The largest operator on this bus is GUKOS. The first launched in 1979, the most recent in 1983.
0
In orbit
0
Active
12
Total launched
12
Reentered
Yantar'-4K1 launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Yantar'-4K1 satellites.
| Manufacturer | TSSKB |
|---|---|
| Purpose | Reconnaissance, photo (film return type) |
| Launch mass | 2886 kg |
| Dry mass | 2886 kg |
| Length | 6.3 m |
| Diameter | 2.7 m |
| Span | 6.3 m |
| Shape | Cone + Cyl |
| Power | 2 deployable solar arrays, batteries |
| Design life | 45 days |
| Equipment | Zhemchug-18 camera |
Top operators
GUKOS 9 TSSKB 3
Top countries
SU 12
Yantar'-4K1 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| COSMOS 1511 Kosmos-1511 | 14530 | 1983-117A | GUKOS | Nov 30, 1983 | 89 min, 67.1° | Reentered | ◉ |
| COSMOS 1496 Kosmos-1496 | 14326 | 1983-093A | GUKOS | Sep 7, 1983 | 89 min, 67.2° | Reentered | ◉ |
| COSMOS 1489 Kosmos-1489 | 14256 | 1983-083A | GUKOS | Aug 10, 1983 | 89 min, 64.7° | Reentered | ◉ |
| COSMOS 1466 Kosmos-1466 | 14089 | 1983-050A | GUKOS | May 26, 1983 | 89 min, 64.9° | Reentered | ◉ |
| COSMOS 1457 Kosmos-1457 | 14039 | 1983-039A | GUKOS | Apr 26, 1983 | 89 min, 70.4° | Reentered | ◉ |
| COSMOS 1442 Kosmos-1442 | 13850 | 1983-012A | GUKOS | Feb 25, 1983 | 90 min, 67.1° | Reentered | ◉ |
| COSMOS 1424 Kosmos-1424 | 13725 | 1982-117A | GUKOS | Dec 16, 1982 | 89 min, 64.9° | Reentered | ◉ |
| COSMOS 1399 Kosmos-1399 | 13399 | 1982-078A | GUKOS | Aug 4, 1982 | 89 min, 64.9° | Reentered | ◉ |
| COSMOS 1377 Kosmos-1377 | 13265 | 1982-057A | GUKOS | Jun 8, 1982 | 89 min, 64.9° | Reentered | ◉ |
| COSMOS 1218 Kosmos-1218 | 12039 | 1980-086A | TSSKB | Oct 30, 1980 | 89 min, 64.9° | Reentered | ◉ |
| COSMOS 1177 Kosmos-1177 | 11789 | 1980-035A | TSSKB | Apr 29, 1980 | 89 min, 67.1° | Reentered | ◉ |
| COSMOS 1097 Kosmos-1097 | 11348 | 1979-037A | TSSKB | Apr 27, 1979 | 89 min, 62.8° | Reentered | ◉ |
Frequently asked questions
How many Yantar'-4K1 satellites are there?
The catalog lists 12 objects built on the Yantar'-4K1 bus. 0 are in orbit and 12 have reentered.
How many Yantar'-4K1 satellites are in orbit?
0 Yantar'-4K1 objects are currently in orbit, of which 0 carry an active status.
Who builds the Yantar'-4K1 bus?
The Yantar'-4K1 bus is most commonly built by TSSKB.
When did the first Yantar'-4K1 satellite launch?
The first cataloged Yantar'-4K1 satellite launched in 1979, and the most recent in 1983.