E-6 DU Satellite Bus
Data current as of 2026-07-20.
The E-6 DU bus accounts for 13 cataloged objects, of which 5 are in orbit and 0 are active. 8 have reentered. Most are built by NPOL. The largest operator on this bus is IKI/BABTS. The first launched in 1963, the most recent in 1968.
5
In orbit
0
Active
13
Total launched
8
Reentered
E-6 DU launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged E-6 DU satellites.
| Manufacturer | NPOL |
|---|---|
| Launch mass | 1025 kg |
| Dry mass | 300 kg |
| Length | 2.6 m |
| Diameter | 1.5 m |
| Span | 2.6 m |
| Shape | Cyl + Cone |
| Propulsion | KTDU-5A |
Top operators
IKI/BABTS 6 OKB-1 4 OKB1 2
Top countries
SU 13
E-6 DU satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| LUNA 14 Luna-14 | 03178 | · | IKI/BABTS | Apr 7, 1968 | · | Inactive | ◉ |
| COSMOS 159 Kosmos-159 | 02805 | 1967-046A | IKI/BABTS | May 16, 1967 | 1170 min, 51.7° | Reentered | ◉ |
| LUNA 13 Luna-13 | 02626 | · | IKI/BABTS | Dec 21, 1966 | · | Reentered | ◉ |
| LUNA 12 Luna-12 | 02508 | · | IKI/BABTS | Oct 22, 1966 | · | Inactive | ◉ |
| LUNA 11 Luna-11 | 02406 | · | IKI/BABTS | Aug 24, 1966 | · | Inactive | ◉ |
| LUNA 9 Luna-9 | 01954 | · | IKI/BABTS | Jan 31, 1966 | · | Reentered | ◉ |
| LUNA 8 Luna-8 | 01810 | · | OKB-1 | Dec 3, 1965 | · | Reentered | ◉ |
| LUNA 7 Luna-7 | 01610 | · | OKB-1 | Oct 4, 1965 | · | Reentered | ◉ |
| LUNIK 6 Luna-6 | 01393 | · | OKB-1 | Jun 8, 1965 | · | Inactive | ◉ |
| LUNIK 5 Luna-5 | 01366 | 1965-036A | OKB1 | May 9, 1965 | 88 min, 64.8° | Reentered | ◉ |
| COSMOS 60 Kosmos-60 | 01246 | 1965-018A | OKB1 | Mar 12, 1965 | 89 min, 64.7° | Reentered | ◉ |
| LUNA 4 Luna-4 | 00566 | · | OKB-1 | Apr 2, 1963 | · | Inactive | ◉ |
| SPUTNIK 25 DEB AMS | 00522 | 1963-001B | OKB1 | Jan 4, 1963 | 88 min, 64.7° | Reentered | ◉ |
Frequently asked questions
How many E-6 DU satellites are there?
The catalog lists 13 objects built on the E-6 DU bus. 5 are in orbit and 8 have reentered.
How many E-6 DU satellites are in orbit?
5 E-6 DU objects are currently in orbit, of which 0 carry an active status.
Who builds the E-6 DU bus?
The E-6 DU bus is most commonly built by NPOL.
When did the first E-6 DU satellite launch?
The first cataloged E-6 DU satellite launched in 1963, and the most recent in 1968.