Zenit-4M Satellite Bus
Data current as of 2026-07-20.
The Zenit-4M bus accounts for 56 cataloged objects, of which 0 are in orbit and 0 are active. 56 have reentered. Most are built by TSKBE3. The largest operator on this bus is GUKOSR. The first launched in 1969, the most recent in 1974.
0
In orbit
0
Active
56
Total launched
56
Reentered
Zenit-4M launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Zenit-4M satellites.
| Manufacturer | TSKBE3 |
|---|---|
| Launch mass | 2200 kg |
| Dry mass | 2200 kg |
| Length | 6 m |
| Diameter | 2.2 m |
| Span | 6 m |
| Shape | Sphere + DCone |
Top operators
GUKOSR 54 TSKBE3 2
Top countries
SU 56
Zenit-4M satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| COSMOS 667 Kosmos-667 | 07383 | 1974-057A | GUKOSR | Jul 25, 1974 | 89 min, 65.0° | Reentered | ◉ |
| COSMOS 632 Kosmos-632 | 07117 | 1974-006A | GUKOSR | Feb 12, 1974 | 89 min, 65.0° | Reentered | ◉ |
| COSMOS 609 Kosmos-609 | 06943 | 1973-092A | GUKOSR | Nov 21, 1973 | 89 min, 69.9° | Reentered | ◉ |
| COSMOS 603 Kosmos-603 | 06900 | 1973-079A | GUKOSR | Oct 27, 1973 | 89 min, 72.8° | Reentered | ◉ |
| COSMOS 600 Kosmos-600 | 06873 | 1973-074A | GUKOSR | Oct 16, 1973 | 89 min, 72.8° | Reentered | ◉ |
| COSMOS 598 Kosmos-598 | 06862 | 1973-072A | GUKOSR | Oct 10, 1973 | 89 min, 72.8° | Reentered | ◉ |
| COSMOS 584 Kosmos-584 | 06818 | 1973-063A | GUKOSR | Sep 6, 1973 | 90 min, 72.8° | Reentered | ◉ |
| COSMOS 581 Kosmos-581 | 06798 | 1973-059A | GUKOSR | Aug 24, 1973 | 89 min, 51.6° | Reentered | ◉ |
| COSMOS 579 Kosmos-579 | 06789 | 1973-055A | GUKOSR | Aug 21, 1973 | 89 min, 65.4° | Reentered | ◉ |
| COSMOS 577 Kosmos-577 | 06745 | 1973-048A | GUKOSR | Jul 25, 1973 | 89 min, 65.4° | Reentered | ◉ |
| COSMOS 572 Kosmos-572 | 06684 | 1973-038A | GUKOSR | Jun 10, 1973 | 89 min, 51.6° | Reentered | ◉ |
| COSMOS 563 Kosmos-563 | 06667 | 1973-036A | GUKOSR | Jun 6, 1973 | 89 min, 65.4° | Reentered | ◉ |
| COSMOS 560 Kosmos-560 | 06652 | 1973-031A | GUKOSR | May 23, 1973 | 89 min, 72.8° | Reentered | ◉ |
| COSMOS 551 Kosmos-551 | 06378 | 1973-012A | GUKOSR | Mar 6, 1973 | 90 min, 65.0° | Reentered | ◉ |
| COSMOS 548 Kosmos-548 | 06359 | 1973-008A | GUKOSR | Feb 8, 1973 | 89 min, 65.4° | Reentered | ◉ |
| COSMOS 543 Kosmos-543 | 06339 | 1973-002A | GUKOSR | Jan 11, 1973 | 89 min, 65.0° | Reentered | ◉ |
| COSMOS 538 Kosmos-538 | 06311 | 1972-099A | GUKOSR | Dec 14, 1972 | 90 min, 65.4° | Reentered | ◉ |
| COSMOS 522 Kosmos-522 | 06219 | 1972-077A | GUKOSR | Oct 4, 1972 | 90 min, 72.8° | Reentered | ◉ |
| COSMOS 519 Kosmos-519 | 06188 | 1972-071A | GUKOSR | Sep 16, 1972 | 90 min, 71.3° | Reentered | ◉ |
| COSMOS 513 Kosmos-513 | 06135 | 1972-060A | GUKOSR | Aug 2, 1972 | 90 min, 65.0° | Reentered | ◉ |
| COSMOS 503 Kosmos-503 | 06114 | 1972-056A | GUKOSR | Jul 19, 1972 | 89 min, 65.4° | Reentered | ◉ |
| COSMOS 499 Kosmos-499 | 06090 | 1972-051A | GUKOSR | Jul 6, 1972 | 89 min, 51.7° | Reentered | ◉ |
| COSMOS 495 Kosmos-495 | 06060 | 1972-044A | GUKOSR | Jun 23, 1972 | 89 min, 65.4° | Reentered | ◉ |
| COSMOS 492 Kosmos-492 | 06049 | 1972-040A | GUKOSR | Jun 9, 1972 | 89 min, 65.0° | Reentered | ◉ |
| COSMOS 491 Kosmos-491 | 06035 | 1972-038A | GUKOSR | May 25, 1972 | 90 min, 65.0° | Reentered | ◉ |
| COSMOS 486 Kosmos-486 | 05945 | 1972-030A | GUKOSR | Apr 14, 1972 | 89 min, 81.3° | Reentered | ◉ |
| COSMOS 483 Kosmos-483 | 05924 | 1972-024A | GUKOSR | Apr 3, 1972 | 89 min, 72.8° | Reentered | ◉ |
| COSMOS 478 Kosmos-478 | 05885 | 1972-015A | GUKOSR | Mar 15, 1972 | 90 min, 65.4° | Reentered | ◉ |
| COSMOS 474 Kosmos-474 | 05839 | 1972-008A | GUKOSR | Feb 16, 1972 | 89 min, 65.0° | Reentered | ◉ |
| COSMOS 471 Kosmos-471 | 05764 | 1972-001A | GUKOSR | Jan 12, 1972 | 89 min, 65.0° | Reentered | ◉ |
| COSMOS 466 Kosmos-466 | 05687 | 1971-112A | GUKOSR | Dec 16, 1971 | 90 min, 65.0° | Reentered | ◉ |
| COSMOS 464 Kosmos-464 | 05670 | 1971-108A | GUKOSR | Dec 10, 1971 | 89 min, 72.9° | Reentered | ◉ |
| COSMOS 463 Kosmos-463 | 05661 | 1971-107A | GUKOSR | Dec 6, 1971 | 89 min, 65.0° | Reentered | ◉ |
| COSMOS 456 Kosmos-456 | 05611 | 1971-098A | GUKOSR | Nov 19, 1971 | 90 min, 72.8° | Reentered | ◉ |
| COSMOS 454 Kosmos-454 | 05585 | 1971-094A | GUKOSR | Nov 2, 1971 | 90 min, 65.5° | Reentered | ◉ |
| COSMOS 452 Kosmos-452 | 05558 | 1971-088A | GUKOSR | Oct 14, 1971 | 89 min, 65.0° | Reentered | ◉ |
| COSMOS 442 Kosmos-442 | 05493 | 1971-084A | GUKOSR | Sep 29, 1971 | 89 min, 72.8° | Reentered | ◉ |
| COSMOS 441 Kosmos-441 | 05486 | 1971-081A | GUKOSR | Sep 28, 1971 | 89 min, 65.0° | Reentered | ◉ |
| COSMOS 432 Kosmos-432 | 05379 | 1971-066A | GUKOSR | Aug 5, 1971 | 89 min, 51.8° | Reentered | ◉ |
| COSMOS 430 Kosmos-430 | 05340 | 1971-062A | GUKOSR | Jul 23, 1971 | 89 min, 65.4° | Reentered | ◉ |
| COSMOS 429 Kosmos-429 | 05331 | 1971-061A | GUKOSR | Jul 20, 1971 | 89 min, 51.8° | Reentered | ◉ |
| COSMOS 424 Kosmos-424 | 05248 | 1971-048A | GUKOSR | May 28, 1971 | 89 min, 65.4° | Reentered | ◉ |
| COSMOS 420 Kosmos-420 | 05230 | 1971-043A | GUKOSR | May 18, 1971 | 90 min, 51.8° | Reentered | ◉ |
| COSMOS 406 Kosmos-406 | 05124 | 1971-029A | GUKOSR | Apr 14, 1971 | 89 min, 81.3° | Reentered | ◉ |
| COSMOS 401 Kosmos-401 | 05086 | 1971-023A | GUKOSR | Mar 27, 1971 | 90 min, 72.8° | Reentered | ◉ |
| COSMOS 399 Kosmos-399 | 05003 | 1971-017A | GUKOSR | Mar 3, 1971 | 91 min, 65.0° | Reentered | ◉ |
| COSMOS 396 Kosmos-396 | 04959 | 1971-014A | GUKOSR | Feb 18, 1971 | 89 min, 65.4° | Reentered | ◉ |
| COSMOS 390 Kosmos-390 | 04845 | 1971-001A | GUKOSR | Jan 12, 1971 | 89 min, 65.0° | Reentered | ◉ |
| COSMOS 386 Kosmos-386 | 04804 | 1970-110A | GUKOSR | Dec 15, 1970 | 90 min, 65.0° | Reentered | ◉ |
| COSMOS 376 Kosmos-376 | 04599 | 1970-092A | GUKOSR | Oct 30, 1970 | 89 min, 65.4° | Reentered | ◉ |
| COSMOS 370 Kosmos-370 | 04576 | 1970-082A | GUKOSR | Oct 9, 1970 | 89 min, 64.9° | Reentered | ◉ |
| COSMOS 361 Kosmos-361 | 04524 | 1970-071A | GUKOSR | Sep 8, 1970 | 90 min, 72.9° | Reentered | ◉ |
| COSMOS 360 Kosmos-360 | 04508 | 1970-068A | GUKOSR | Aug 29, 1970 | 89 min, 65.0° | Reentered | ◉ |
| COSMOS 333 Kosmos-333 | 04373 | 1970-030A | GUKOSR | Apr 15, 1970 | 89 min, 81.3° | Reentered | ◉ |
| COSMOS 280 Kosmos-280 | 03906 | 1969-040A | TSKBE3 | Apr 23, 1969 | 89 min, 51.6° | Reentered | ◉ |
| COSMOS 264 Kosmos-264 | 03667 | 1969-008A | TSKBE3 | Jan 23, 1969 | 90 min, 69.9° | Reentered | ◉ |
Frequently asked questions
How many Zenit-4M satellites are there?
The catalog lists 56 objects built on the Zenit-4M bus. 0 are in orbit and 56 have reentered.
How many Zenit-4M satellites are in orbit?
0 Zenit-4M objects are currently in orbit, of which 0 carry an active status.
Who builds the Zenit-4M bus?
The Zenit-4M bus is most commonly built by TSKBE3.
When did the first Zenit-4M satellite launch?
The first cataloged Zenit-4M satellite launched in 1969, and the most recent in 1974.