7K-L1 Satellite Bus
Data current as of 2026-07-20.
The 7K-L1 bus accounts for 7 cataloged objects, of which 0 are in orbit and 0 are active. 7 have reentered. Most are built by TSKBEM. The largest operator on this bus is TSKBEM. The first launched in 1967, the most recent in 1970.
0
In orbit
0
Active
7
Total launched
7
Reentered
7K-L1 launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged 7K-L1 satellites.
| Manufacturer | TSKBEM |
|---|---|
| Launch mass | 2800 kg |
| Dry mass | 2800 kg |
| Length | 1.8 m |
| Diameter | 2 m |
| Span | 1.8 m |
| Shape | Rounded Cone |
| Propulsion | KTDU-53 |
Top operators
TSKBEM 6
Top countries
SU 7
7K-L1 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| ZOND 8 Zond-8 | 04591 | · | TSKBEM | Oct 20, 1970 | · | Reentered | ◉ |
| ZOND 7 Zond-7 | 04062 | · | TSKBEM | Aug 7, 1969 | · | Reentered | ◉ |
| ZOND 6 Zond-6 | 03535 | · | TSKBEM | Nov 10, 1968 | · | Reentered | ◉ |
| ZOND 5 Zond-5 | 03394 | · | TSKBEM | Sep 14, 1968 | · | Reentered | ◉ |
| ZOND 4 Zond-4 | 03134 | 1968-013A | TSKBEM | Mar 2, 1968 | 89 min, 51.6° | Reentered | ◉ |
| SL-12 DEB Kosmos-154 | 02746 | 1967-032C | TSKBEM | Apr 8, 1967 | 87 min, 51.5° | Reentered | ◉ |
| COSMOS 146 Kosmos-146 | 02705 | 1967-021A | TSKBEM | Mar 11, 1967 | 88 min, 51.5° | Reentered | ◉ |
Frequently asked questions
How many 7K-L1 satellites are there?
The catalog lists 7 objects built on the 7K-L1 bus. 0 are in orbit and 7 have reentered.
How many 7K-L1 satellites are in orbit?
0 7K-L1 objects are currently in orbit, of which 0 carry an active status.
Who builds the 7K-L1 bus?
The 7K-L1 bus is most commonly built by TSKBEM.
When did the first 7K-L1 satellite launch?
The first cataloged 7K-L1 satellite launched in 1967, and the most recent in 1970.