7K-ST Satellite Bus
Data current as of 2026-07-20.
The 7K-ST bus accounts for 17 cataloged objects, of which 0 are in orbit and 0 are active. 17 have reentered. Most are built by NPOE. The largest operator on this bus is NPOE. The first launched in 1978, the most recent in 1986.
0
In orbit
0
Active
17
Total launched
17
Reentered
7K-ST launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged 7K-ST satellites.
| Manufacturer | NPOE |
|---|---|
| Purpose | Crewed spacecraft |
| Launch mass | 2850 kg |
| Dry mass | 2850 kg |
| Length | 7.2 m |
| Diameter | 2.2 m |
| Span | 10.6 m |
| Shape | Sphere + Cone + Cyl + 2 Pan |
| Power | 2 deployable fixed solar arrays, batteries |
Top operators
NPOE 17
Top countries
SU 17
7K-ST satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| SOYUZ-T 15 Soyuz T-15 | 16643 | 1986-022A | NPOE | Mar 13, 1986 | 91 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 14 Soyuz T-14 | 16051 | 1985-081A | NPOE | Sep 17, 1985 | 92 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 13 Soyuz T-13 | 15804 | 1985-043A | NPOE | Jun 6, 1985 | 91 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 12 Soyuz T-12 | 15119 | 1984-073A | NPOE | Jul 17, 1984 | 91 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 11 Soyuz T-11 | 14872 | 1984-032A | NPOE | Apr 3, 1984 | 92 min, 51.7° | Reentered | ◉ |
| SOYUZ-T 10 Soyuz T-10 | 14701 | 1984-014A | NPOE | Feb 8, 1984 | 91 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 9 Soyuz T-9 | 14152 | 1983-062A | NPOE | Jun 27, 1983 | 91 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 8 Soyuz T-8 | 14014 | 1983-035A | NPOE | Apr 20, 1983 | 90 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 7 Soyuz T-7 | 13425 | 1982-080A | NPOE | Aug 19, 1982 | 92 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 6 Soyuz T-6 | 13292 | 1982-063A | NPOE | Jun 24, 1982 | 91 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 5 Soyuz T-5 | 13173 | 1982-042A | NPOE | May 13, 1982 | 91 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 4 Soyuz T-4 | 12334 | 1981-023A | NPOE | Mar 12, 1981 | 92 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 3 Soyuz T-3 | 12077 | 1980-094A | NPOE | Nov 27, 1980 | 90 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 2 Soyuz T-2 | 11825 | 1980-045A | NPOE | Jun 5, 1980 | 90 min, 51.6° | Reentered | ◉ |
| SOYUZ-T 1 Soyuz T | 11640 | 1979-103A | NPOE | Dec 16, 1979 | 91 min, 51.6° | Reentered | ◉ |
| COSMOS 1074 Kosmos-1074 | 11259 | 1979-008A | NPOE | Jan 31, 1979 | 92 min, 51.7° | Reentered | ◉ |
| COSMOS 1001 Kosmos-1001 | 10783 | 1978-036A | NPOE | Apr 4, 1978 | 91 min, 51.6° | Reentered | ◉ |
Frequently asked questions
How many 7K-ST satellites are there?
The catalog lists 17 objects built on the 7K-ST bus. 0 are in orbit and 17 have reentered.
How many 7K-ST satellites are in orbit?
0 7K-ST objects are currently in orbit, of which 0 carry an active status.
Who builds the 7K-ST bus?
The 7K-ST bus is most commonly built by NPOE.
When did the first 7K-ST satellite launch?
The first cataloged 7K-ST satellite launched in 1978, and the most recent in 1986.