Zenit-4MT Satellite Bus
Data current as of 2026-07-20.
The Zenit-4MT bus accounts for 23 cataloged objects, of which 0 are in orbit and 0 are active. 23 have reentered. Most are built by TSSKB. The largest operator on this bus is VTS. The first launched in 1971, the most recent in 1982.
0
In orbit
0
Active
23
Total launched
23
Reentered
Zenit-4MT launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Zenit-4MT satellites.
| Manufacturer | TSSKB |
|---|---|
| Purpose | Reconnaissance, photo (film return type) |
| Launch mass | 2200 kg |
| Dry mass | 2200 kg |
| Length | 6.5 m |
| Diameter | 2.4 m |
| Span | 6.5 m |
| Shape | Sphere + DCone |
| Power | Batteries |
| Propulsion | 11D82M |
Top operators
VTS 14 TSKBE3 5 TSSKB 4
Top countries
SU 23
Zenit-4MT satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| COSMOS 1398 Kosmos-1398 | 13396 | 1982-077A | VTS | Aug 3, 1982 | 89 min, 82.4° | Reentered | ◉ |
| COSMOS 1332 Kosmos-1332 | 13031 | 1982-002A | VTS | Jan 12, 1982 | 89 min, 82.3° | Reentered | ◉ |
| COSMOS 1309 Kosmos-1309 | 12837 | 1981-092A | VTS | Sep 18, 1981 | 89 min, 82.3° | Reentered | ◉ |
| COSMOS 1239 Kosmos-1239 | 12140 | 1981-004A | VTS | Jan 16, 1981 | 89 min, 82.3° | Reentered | ◉ |
| COSMOS 1211 Kosmos-1211 | 11982 | 1980-077A | VTS | Sep 23, 1980 | 89 min, 82.4° | Reentered | ◉ |
| COSMOS 1180 Kosmos-1180 | 11798 | 1980-038A | VTS | May 15, 1980 | 90 min, 62.8° | Reentered | ◉ |
| COSMOS 1139 Kosmos-1139 | 11564 | 1979-088A | VTS | Oct 5, 1979 | 90 min, 72.9° | Reentered | ◉ |
| COSMOS 1119 Kosmos-1119 | 11478 | 1979-071A | VTS | Aug 3, 1979 | 89 min, 81.3° | Reentered | ◉ |
| COSMOS 1069 Kosmos-1069 | 11173 | 1978-124A | VTS | Dec 28, 1978 | 90 min, 62.8° | Reentered | ◉ |
| COSMOS 1046 Kosmos-1046 | 11098 | 1978-102A | VTS | Nov 1, 1978 | 90 min, 72.9° | Reentered | ◉ |
| COSMOS 988 Kosmos-988 | 10666 | 1978-015A | VTS | Feb 8, 1978 | 90 min, 72.8° | Reentered | ◉ |
| COSMOS 916 Kosmos-916 | 10040 | 1977-046A | VTS | Jun 10, 1977 | 90 min, 62.8° | Reentered | ◉ |
| COSMOS 855 Kosmos-855 | 09433 | 1976-095A | VTS | Sep 21, 1976 | 90 min, 72.9° | Reentered | ◉ |
| COSMOS 811 Kosmos-811 | 08781 | 1976-030A | VTS | Mar 31, 1976 | 90 min, 72.8° | Reentered | ◉ |
| COSMOS 759 Kosmos-759 | 08275 | 1975-084A | TSSKB | Sep 12, 1975 | 89 min, 62.8° | Reentered | ◉ |
| COSMOS 720 Kosmos-720 | 07696 | 1975-019A | TSSKB | Mar 21, 1975 | 89 min, 62.8° | Reentered | ◉ |
| COSMOS 693 Kosmos-693 | 07509 | 1974-088A | TSSKB | Nov 4, 1974 | 89 min, 81.3° | Reentered | ◉ |
| COSMOS 664 Kosmos-664 | 07351 | 1974-049A | TSSKB | Jun 29, 1974 | 90 min, 72.8° | Reentered | ◉ |
| COSMOS 616 Kosmos-616 | 06979 | 1973-102A | TSKBE3 | Dec 17, 1973 | 90 min, 72.9° | Reentered | ◉ |
| COSMOS 576 Kosmos-576 | 06713 | 1973-044A | TSKBE3 | Jun 27, 1973 | 90 min, 72.9° | Reentered | ◉ |
| COSMOS 541 Kosmos-541 | 06326 | 1972-105A | TSKBE3 | Dec 27, 1972 | 90 min, 81.3° | Reentered | ◉ |
| COSMOS 502 Kosmos-502 | 06105 | 1972-055A | TSKBE3 | Jul 13, 1972 | 89 min, 65.4° | Reentered | ◉ |
| COSMOS 470 Kosmos-470 | 05727 | 1971-118A | TSKBE3 | Dec 27, 1971 | 89 min, 65.4° | Reentered | ◉ |
Frequently asked questions
How many Zenit-4MT satellites are there?
The catalog lists 23 objects built on the Zenit-4MT bus. 0 are in orbit and 23 have reentered.
How many Zenit-4MT satellites are in orbit?
0 Zenit-4MT objects are currently in orbit, of which 0 carry an active status.
Who builds the Zenit-4MT bus?
The Zenit-4MT bus is most commonly built by TSSKB.
When did the first Zenit-4MT satellite launch?
The first cataloged Zenit-4MT satellite launched in 1971, and the most recent in 1982.