Okean Satellite Bus
Data current as of 2026-07-20.
The Okean bus accounts for 10 cataloged objects, of which 8 are in orbit and 0 are active. 2 have reentered. Most are built by YUZH. The largest operator on this bus is GMS/YUZH. The first launched in 1983, the most recent in 2004.
8
In orbit
0
Active
10
Total launched
2
Reentered
Okean launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Okean satellites.
| Manufacturer | YUZH |
|---|---|
| Purpose | Ocean Observation |
| Launch mass | 1900 kg |
| Dry mass | 1900 kg |
| Length | 5 m |
| Diameter | 2.4 m |
| Span | 21.5 m |
| Shape | Cyl + 2 Pan + Ant |
| Power | 2 deployable solar arrays, batteries |
| Design life | 2 years |
| Equipment | RLSBO (3.2 cm), RM-0.8, MWP (3.2 cm), RTVK, MSU-SK, Kondor |
| Typical orbit | 96 min period, 82° inclination |
Top operators
GMS/YUZH 6 NKAU 2 RGMS/YUZH 1 RGMS/YUZHUA 1
Top countries
SU 7 UA 2 RU 1
Okean satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| SICH-1M Sich-1M | 28505 | 2004-052A | NKAU | Dec 24, 2004 | 87 min, 82.5° | Reentered | ◉ |
| SICH-1 Sich-1 | 23657 | 1995-046A | NKAU | Aug 31, 1995 | 96 min, 82.5° | Inactive | ◉ |
| OKEAN-4 Okean | 23317 | 1994-066A | RGMS/YUZHUA | Oct 11, 1994 | 96 min, 82.5° | Inactive | ◉ |
| OKEAN-3 Okean | 21397 | 1991-039A | RGMS/YUZH | Jun 4, 1991 | 96 min, 82.5° | Inactive | ◉ |
| OKEAN-2 Okean-O1 | 20510 | 1990-018A | GMS/YUZH | Feb 28, 1990 | 95 min, 82.5° | Inactive | ◉ |
| OKEAN-1 Okean | 19274 | 1988-056A | GMS/YUZH | Jul 5, 1988 | 94 min, 82.5° | Inactive | ◉ |
| COSMOS 1869 Kosmos-1869 | 18214 | 1987-062A | GMS/YUZH | Jul 16, 1987 | 94 min, 82.5° | Inactive | ◉ |
| COSMOS 1766 Kosmos-1766 | 16881 | 1986-055A | GMS/YUZH | Jul 28, 1986 | 92 min, 82.5° | Inactive | ◉ |
| COSMOS 1602 Kosmos-1602 | 15331 | 1984-105A | GMS/YUZH | Sep 28, 1984 | 87 min, 82.5° | Inactive | ◉ |
| COSMOS 1500 Kosmos-1500 | 14372 | 1983-099A | GMS/YUZH | Sep 28, 1983 | 87 min, 82.5° | Reentered | ◉ |
Frequently asked questions
How many Okean satellites are there?
The catalog lists 10 objects built on the Okean bus. 8 are in orbit and 2 have reentered.
How many Okean satellites are in orbit?
8 Okean objects are currently in orbit, of which 0 carry an active status.
Who builds the Okean bus?
The Okean bus is most commonly built by YUZH.
When did the first Okean satellite launch?
The first cataloged Okean satellite launched in 1983, and the most recent in 2004.