Yantar'-4KS1 Satellite Bus
Data current as of 2026-07-20.
The Yantar'-4KS1 bus accounts for 22 cataloged objects, of which 0 are in orbit and 0 are active. 22 have reentered. Most are built by TSSKB. The largest operator on this bus is UNKS. The first launched in 1982, the most recent in 2000.
0
In orbit
0
Active
22
Total launched
22
Reentered
Yantar'-4KS1 launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Yantar'-4KS1 satellites.
| Manufacturer | TSSKB |
|---|---|
| Purpose | Reconnaissance, photo (data transmitting) |
| Launch mass | 3390 kg |
| Dry mass | 3390 kg |
| Length | 7.5 m |
| Diameter | 2.7 m |
| Span | 8.5 m |
| Shape | Cyl + 2 Pan |
| Power | 2 deployable solar arrays, batteries |
| Design life | 10 months |
Top operators
UNKS 9 VKS 5 TSSKB 3 GUKOS 2 VKSR 2 VVS 1
Top countries
SU 14 RU 8
Yantar'-4KS1 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| COSMOS 2370 Kosmos-2370 | 26354 | 2000-023A | VKSR | May 3, 2000 | 89 min, 64.7° | Reentered | ◉ |
| COSMOS 2359 Kosmos-2359 | 25376 | 1998-039A | VKSR | Jun 25, 1998 | 89 min, 64.9° | Reentered | ◉ |
| COSMOS 2320 Kosmos-2320 | 23674 | 1995-051A | VKS | Sep 29, 1995 | 89 min, 64.9° | Reentered | ◉ |
| COSMOS 2305 Kosmos-2305 | 23453 | 1994-088A | VKS | Dec 29, 1994 | 90 min, 64.9° | Reentered | ◉ |
| COSMOS 2280 Kosmos-2280 | 23095 | 1994-025A | VKS | Apr 28, 1994 | 90 min, 70.4° | Reentered | ◉ |
| COSMOS 2267 Kosmos-2267 | 22904 | 1993-071A | VKS | Nov 5, 1993 | 90 min, 70.3° | Reentered | ◉ |
| COSMOS 2223 Kosmos-2223 | 22260 | 1992-087A | VKS | Dec 9, 1992 | 90 min, 64.6° | Reentered | ◉ |
| COSMOS 2183 Kosmos-2183 | 21928 | 1992-018A | VVS | Apr 8, 1992 | 89 min, 64.8° | Reentered | ◉ |
| COSMOS 2153 Kosmos-2153 | 21560 | 1991-049A | TSSKB | Jul 10, 1991 | 89 min, 64.8° | Reentered | ◉ |
| COSMOS 2113 Kosmos-2113 | 21026 | 1990-113A | UNKS | Dec 21, 1990 | 89 min, 64.7° | Reentered | ◉ |
| COSMOS 2072 Kosmos-2072 | 20568 | 1990-033A | UNKS | Apr 13, 1990 | 89 min, 64.7° | Reentered | ◉ |
| COSMOS 2049 Kosmos-2049 | 20320 | 1989-088A | UNKS | Nov 17, 1989 | 89 min, 64.7° | Reentered | ◉ |
| COSMOS 2007 Kosmos-2007 | 19900 | 1989-024A | UNKS | Mar 23, 1989 | 89 min, 64.7° | Reentered | ◉ |
| COSMOS 1936 Kosmos-1936 | 19015 | 1988-027A | UNKS | Mar 30, 1988 | 89 min, 64.7° | Reentered | ◉ |
| COSMOS 1881 Kosmos-1881 | 18343 | 1987-076A | UNKS | Sep 11, 1987 | 89 min, 64.7° | Reentered | ◉ |
| COSMOS 1836 Kosmos-1836 | 17876 | 1987-033A | UNKS | Apr 16, 1987 | 89 min, 64.8° | Reentered | ◉ |
| COSMOS 1810 Kosmos-1810 | 17262 | 1986-102A | UNKS | Dec 26, 1986 | 90 min, 64.7° | Reentered | ◉ |
| COSMOS 1770 Kosmos-1770 | 16897 | 1986-060A | UNKS | Aug 6, 1986 | 89 min, 64.7° | Reentered | ◉ |
| COSMOS 1731 Kosmos-1731 | 16589 | 1986-013A | GUKOS | Feb 7, 1986 | 89 min, 64.7° | Reentered | ◉ |
| COSMOS 1643 Kosmos-1643 | 15634 | 1985-026A | GUKOS | Mar 25, 1985 | 89 min, 64.7° | Reentered | ◉ |
| COSMOS 1552 Kosmos-1552 | 14971 | 1984-045A | TSSKB | May 14, 1984 | 90 min, 64.9° | Reentered | ◉ |
| COSMOS 1426 Kosmos-1426 | 13745 | 1982-120A | TSSKB | Dec 28, 1982 | 91 min, 50.5° | Reentered | ◉ |
Frequently asked questions
How many Yantar'-4KS1 satellites are there?
The catalog lists 22 objects built on the Yantar'-4KS1 bus. 0 are in orbit and 22 have reentered.
How many Yantar'-4KS1 satellites are in orbit?
0 Yantar'-4KS1 objects are currently in orbit, of which 0 carry an active status.
Who builds the Yantar'-4KS1 bus?
The Yantar'-4KS1 bus is most commonly built by TSSKB.
When did the first Yantar'-4KS1 satellite launch?
The first cataloged Yantar'-4KS1 satellite launched in 1982, and the most recent in 2000.