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Yantar'-4K2 Satellite Bus

Data current as of 2026-07-20.

The Yantar'-4K2 bus accounts for 78 cataloged objects, of which 0 are in orbit and 0 are active. 78 have reentered. Most are built by TSSKB. The largest operator on this bus is UNKS. The first launched in 1981, the most recent in 2002.

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0
In orbit
0
Active
78
Total launched
78
Reentered

Yantar'-4K2 launched per year

2 4 6 8 1981: 1 launched, 1 since reentered 1982: 1 launched, 1 since reentered 1983: 1 launched, 1 since reentered 1984: 8 launched, 8 since reentered 1985: 8 launched, 8 since reentered 1986: 8 launched, 8 since reentered 1987: 8 launched, 8 since reentered 1988: 7 launched, 7 since reentered 1989: 7 launched, 7 since reentered 1990: 5 launched, 5 since reentered 1991: 5 launched, 5 since reentered 1992: 6 launched, 6 since reentered 1993: 3 launched, 3 since reentered 1994: 2 launched, 2 since reentered 1995: 2 launched, 2 since reentered 1996: 1 launched, 1 since reentered 1997: 1 launched, 1 since reentered 1998: 1 launched, 1 since reentered 1999: 1 launched, 1 since reentered 2000: 0 objects launched 2001: 1 launched, 1 since reentered 2002: 1 launched, 1 since reentered 1981 1986 1991 1996 2001
Still in orbit Since reentered Click a year to list its satellites.

Typical specifications

Most common values across cataloged Yantar'-4K2 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 Cyl + 2 Pan
Power 2 deployable solar arrays, batteries
Propulsion 11D428

Top operators

UNKS 32 GUKOS 19 VKS 10 UNKSR 5 VKSR 4 TSSKB 3 VVS 2 VVSR 2 KVR 1

Top countries

SU 59 RU 19

Yantar'-4K2 satellites

Track any of them live in KeepTrack.

Name NORAD COSPAR Owner Launched Orbit Status Track
COSMOS 2387 Kosmos-2387 27382 2002-008A KVR Feb 25, 2002 89 min, 67.1° Reentered ◉
COSMOS 2377 Kosmos-2377 26775 2001-022A VKSR May 29, 2001 89 min, 67.1° Reentered ◉
COSMOS 2365 Kosmos-2365 25889 1999-044A VKSR Aug 18, 1999 88 min, 67.1° Reentered ◉
COSMOS 2358 Kosmos-2358 25373 1998-038A VKSR Jun 24, 1998 89 min, 67.1° Reentered ◉
COSMOS 2348 Kosmos-2348 25095 1997-080A VKSR Dec 15, 1997 89 min, 67.1° Reentered ◉
COSMOS 2331 Kosmos-2331 23818 1996-016A VKS Mar 14, 1996 89 min, 67.1° Reentered ◉
COSMOS 2314 Kosmos-2314 23601 1995-031A VKS Jun 28, 1995 89 min, 67.1° Reentered ◉
COSMOS 2311 Kosmos-2311 23530 1995-014A VKS Mar 22, 1995 89 min, 67.1° Reentered ◉
COSMOS 2283 Kosmos-2283 23182 1994-042A VKS Jul 20, 1994 89 min, 67.1° Reentered ◉
COSMOS 2274 Kosmos-2274 23033 1994-018A VKS Mar 17, 1994 90 min, 67.1° Reentered ◉
COSMOS 2259 Kosmos-2259 22716 1993-045A VKS Jul 14, 1993 89 min, 67.1° Reentered ◉
COSMOS 2240 Kosmos-2240 22592 1993-021A VKS Apr 2, 1993 89 min, 62.8° Reentered ◉
COSMOS 2231 Kosmos-2231 22317 1993-004A VKS Jan 19, 1993 89 min, 67.1° Reentered ◉
COSMOS 2220 Kosmos-2220 22226 1992-077A VKS Nov 20, 1992 89 min, 67.1° Reentered ◉
COSMOS 2210 Kosmos-2210 22133 1992-062A VKS Sep 22, 1992 90 min, 67.1° Reentered ◉
COSMOS 2203 Kosmos-2203 22052 1992-045A VVSR Jul 24, 1992 89 min, 62.8° Reentered ◉
COSMOS 2186 Kosmos-2186 21973 1992-029A VVSR May 28, 1992 89 min, 62.8° Reentered ◉
COSMOS 2182 Kosmos-2182 21920 1992-016A VVS Apr 1, 1992 90 min, 67.1° Reentered ◉
COSMOS 2175 Kosmos-2175 21844 1992-001A VVS Jan 21, 1992 89 min, 67.1° Reentered ◉
COSMOS 2171 Kosmos-2171 21787 1991-078A UNKSR Nov 20, 1991 90 min, 62.8° Reentered ◉
COSMOS 2156 Kosmos-2156 21713 1991-066A UNKSR Sep 19, 1991 89 min, 67.1° Reentered ◉
COSMOS 2149 Kosmos-2149 21315 1991-036A UNKSR May 24, 1991 89 min, 67.1° Reentered ◉
COSMOS 2138 Kosmos-2138 21203 1991-023A UNKSR Mar 26, 1991 89 min, 67.1° Reentered ◉
COSMOS 2124 Kosmos-2124 21092 1991-008A UNKSR Feb 7, 1991 89 min, 62.8° Reentered ◉
COSMOS 2108 Kosmos-2108 21000 1990-109A UNKS Dec 4, 1990 89 min, 62.8° Reentered ◉
COSMOS 2102 Kosmos-2102 20909 1990-092A UNKS Oct 16, 1990 89 min, 62.8° Reentered ◉
COSMOS 2089 Kosmos-2089 20732 1990-069A UNKS Aug 3, 1990 89 min, 62.8° Reentered ◉
COSMOS 2077 Kosmos-2077 20604 1990-042A UNKS May 7, 1990 89 min, 62.8° Reentered ◉
COSMOS 2057 Kosmos-2057 20457 1990-009A UNKS Jan 25, 1990 89 min, 62.8° Reentered ◉
COSMOS 2052 Kosmos-2052 20350 1989-095A UNKS Nov 30, 1989 89 min, 67.1° Reentered ◉
COSMOS 2047 Kosmos-2047 20279 1989-082A UNKS Oct 3, 1989 89 min, 67.1° Reentered ◉
COSMOS 2030 Kosmos-2030 20124 1989-054A UNKS Jul 12, 1989 87 min, 67.1° Reentered ◉
COSMOS 2020 Kosmos-2020 19986 1989-036A UNKS May 17, 1989 89 min, 64.8° Reentered ◉
COSMOS 2018 Kosmos-2018 19938 1989-031A UNKS Apr 20, 1989 89 min, 62.8° Reentered ◉
COSMOS 2005 Kosmos-2005 19862 1989-019A UNKS Mar 2, 1989 89 min, 62.8° Reentered ◉
COSMOS 1993 Kosmos-1993 19774 1989-007A UNKS Jan 28, 1989 89 min, 64.7° Reentered ◉
COSMOS 1984 Kosmos-1984 19705 1988-110A UNKS Dec 16, 1988 89 min, 62.8° Reentered ◉
COSMOS 1969 Kosmos-1969 19495 1988-084A UNKS Sep 15, 1988 90 min, 67.1° Reentered ◉
COSMOS 1963 Kosmos-1963 19384 1988-070A UNKS Aug 16, 1988 90 min, 64.8° Reentered ◉
COSMOS 1955 Kosmos-1955 19258 1988-054A UNKS Jun 22, 1988 90 min, 64.7° Reentered ◉
COSMOS 1942 Kosmos-1942 19115 1988-037A UNKS May 12, 1988 89 min, 67.1° Reentered ◉
COSMOS 1935 Kosmos-1935 19011 1988-025A UNKS Mar 24, 1988 89 min, 67.2° Reentered ◉
COSMOS 1916 Kosmos-1916 18823 1988-007A UNKS Feb 3, 1988 88 min, 64.9° Reentered ◉
COSMOS 1901 Kosmos-1901 18666 1987-102A UNKS Dec 14, 1987 89 min, 64.9° Reentered ◉
COSMOS 1893 Kosmos-1893 18432 1987-089A UNKS Oct 22, 1987 89 min, 67.1° Reentered ◉
COSMOS 1886 Kosmos-1886 18366 1987-081A UNKS Sep 17, 1987 89 min, 67.1° Reentered ◉
COSMOS 1866 Kosmos-1866 18184 1987-059A UNKS Jul 9, 1987 89 min, 67.1° Reentered ◉
COSMOS 1847 Kosmos-1847 18011 1987-046A UNKS May 26, 1987 89 min, 67.1° Reentered ◉
COSMOS 1835 Kosmos-1835 17849 1987-032A UNKS Apr 9, 1987 89 min, 64.7° Reentered ◉
COSMOS 1824 Kosmos-1824 17559 1987-021A UNKS Feb 26, 1987 89 min, 67.1° Reentered ◉
COSMOS 1811 Kosmos-1811 17292 1987-002A UNKS Jan 9, 1987 89 min, 64.8° Reentered ◉
COSMOS 1807 Kosmos-1807 17217 1986-099A UNKS Dec 16, 1986 90 min, 67.1° Reentered ◉
COSMOS 1792 Kosmos-1792 17068 1986-087A UNKS Nov 13, 1986 89 min, 64.9° Reentered ◉
COSMOS 1773 Kosmos-1773 16920 1986-064A UNKS Aug 27, 1986 89 min, 64.9° Reentered ◉
COSMOS 1764 Kosmos-1764 16861 1986-053A UNKS Jul 17, 1986 89 min, 64.9° Reentered ◉
COSMOS 1756 Kosmos-1756 16767 1986-043A UNKS Jun 6, 1986 89 min, 64.9° Reentered ◉
COSMOS 1739 Kosmos-1739 16677 1986-028A GUKOS Apr 9, 1986 89 min, 64.9° Reentered ◉
COSMOS 1734 Kosmos-1734 16618 1986-020A GUKOS Feb 26, 1986 90 min, 67.1° Reentered ◉
COSMOS 1724 Kosmos-1724 16490 1986-004A GUKOS Jan 15, 1986 89 min, 67.1° Reentered ◉
COSMOS 1706 Kosmos-1706 16306 1985-112A GUKOS Dec 11, 1985 90 min, 67.1° Reentered ◉
COSMOS 1699 Kosmos-1699 16198 1985-101A GUKOS Oct 25, 1985 89 min, 67.1° Reentered ◉
COSMOS 1679 Kosmos-1679 15999 1985-078A GUKOS Aug 29, 1985 89 min, 64.9° Reentered ◉
COSMOS 1676 Kosmos-1676 15959 1985-072A GUKOS Aug 16, 1985 90 min, 67.1° Reentered ◉
COSMOS 1654 Kosmos-1654 15734 1985-039A GUKOS May 23, 1985 88 min, 64.7° Reentered ◉
COSMOS 1647 Kosmos-1647 15655 1985-031A GUKOS Apr 19, 1985 89 min, 67.1° Reentered ◉
COSMOS 1630 Kosmos-1630 15582 1985-017A GUKOS Feb 27, 1985 89 min, 64.9° Reentered ◉
COSMOS 1616 Kosmos-1616 15467 1985-002A GUKOS Jan 9, 1985 89 min, 64.9° Reentered ◉
COSMOS 1611 Kosmos-1611 15403 1984-119A GUKOS Nov 21, 1984 89 min, 64.7° Reentered ◉
COSMOS 1599 Kosmos-1599 15318 1984-102A GUKOS Sep 25, 1984 89 min, 67.1° Reentered ◉
COSMOS 1585 Kosmos-1585 15142 1984-077A GUKOS Jul 31, 1984 89 min, 64.7° Reentered ◉
COSMOS 1576 Kosmos-1576 15070 1984-066A GUKOS Jun 26, 1984 89 min, 67.1° Reentered ◉
COSMOS 1558 Kosmos-1558 14993 1984-050A GUKOS May 25, 1984 90 min, 67.1° Reentered ◉
COSMOS 1548 Kosmos-1548 14902 1984-036A GUKOS Apr 10, 1984 89 min, 67.1° Reentered ◉
COSMOS 1539 Kosmos-1539 14763 1984-020A GUKOS Feb 28, 1984 89 min, 67.1° Reentered ◉
COSMOS 1532 Kosmos-1532 14634 1984-004A GUKOS Jan 13, 1984 89 min, 67.1° Reentered ◉
COSMOS 1504 Kosmos-1504 14403 1983-104A TSSKB Oct 14, 1983 89 min, 64.9° Reentered ◉
COSMOS 1347 Kosmos-1347 13122 1982-028A TSSKB Apr 2, 1982 89 min, 70.3° Reentered ◉
COSMOS 1298 Kosmos-1298 12776 1981-080A TSSKB Aug 21, 1981 89 min, 64.9° Reentered ◉

Frequently asked questions

How many Yantar'-4K2 satellites are there?

The catalog lists 78 objects built on the Yantar'-4K2 bus. 0 are in orbit and 78 have reentered.

How many Yantar'-4K2 satellites are in orbit?

0 Yantar'-4K2 objects are currently in orbit, of which 0 carry an active status.

Who builds the Yantar'-4K2 bus?

The Yantar'-4K2 bus is most commonly built by TSSKB.

When did the first Yantar'-4K2 satellite launch?

The first cataloged Yantar'-4K2 satellite launched in 1981, and the most recent in 2002.

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Satellite data compiled by KeepTrack from CelesTrak, Space-Track, and GCAT, provided under CC BY-NC 4.0.