KAUR-4 Al'tair Satellite Bus
Data current as of 2026-07-20.
The KAUR-4 Al'tair bus accounts for 5 cataloged objects, of which 5 are in orbit and 0 are active. Most are built by NPOPM. The largest operator on this bus is UNKS. The first launched in 1985, the most recent in 1995.
5
In orbit
0
Active
5
Total launched
0
Reentered
KAUR-4 Al'tair launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged KAUR-4 Al'tair satellites.
| Manufacturer | NPOPM |
|---|---|
| Purpose | Communication, data relay |
| Launch mass | 2400 kg |
| Dry mass | 2200 kg |
| Length | 6.6 m |
| Diameter | 4.1 m |
| Span | 16 m |
| Shape | Cyl + 2 Pan + 2 Dish |
| Power | 2 deployable solar arrays, batteries |
| Propulsion | 4 x SPT-70 Stationary Plasma Thrusters |
| Design life | 5 years |
| Typical orbit | 1436 min period, 15° inclination |
Top operators
UNKS 2 VKS 2 GUKOS 1
Top countries
SU 3 RU 2
KAUR-4 Al'tair satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| LUCH-1 Luch-1 | 23680 | 1995-054A | VKS | Oct 11, 1995 | 1436 min, 15.0° | Inactive | ◉ |
| LUCH Luch | 23426 | 1994-082A | VKS | Dec 16, 1994 | 1438 min, 14.7° | Inactive | ◉ |
| COSMOS 2054 Kosmos-2054 | 20391 | 1989-101A | UNKS | Dec 27, 1989 | 1436 min, 12.2° | Inactive | ◉ |
| COSMOS 1897 Kosmos-1897 | 18575 | 1987-096A | UNKS | Nov 26, 1987 | 1436 min, 11.0° | Inactive | ◉ |
| COSMOS 1700 Kosmos-1700 | 16199 | 1985-102A | GUKOS | Oct 25, 1985 | 1436 min, 9.7° | Inactive | ◉ |
Frequently asked questions
How many KAUR-4 Al'tair satellites are there?
The catalog lists 5 objects built on the KAUR-4 Al'tair bus. 5 are in orbit and 0 have reentered.
How many KAUR-4 Al'tair satellites are in orbit?
5 KAUR-4 Al'tair objects are currently in orbit, of which 0 carry an active status.
Who builds the KAUR-4 Al'tair bus?
The KAUR-4 Al'tair bus is most commonly built by NPOPM.
When did the first KAUR-4 Al'tair satellite launch?
The first cataloged KAUR-4 Al'tair satellite launched in 1985, and the most recent in 1995.