Eurostar 1000 Satellite Bus
Data current as of 2026-07-20.
The Eurostar 1000 bus accounts for 4 cataloged objects, of which 4 are in orbit and 0 are active. Most are built by BAES. The largest operator on this bus is INMAR. The first launched in 1990, the most recent in 1992.
4
In orbit
0
Active
4
Total launched
0
Reentered
Eurostar 1000 launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged Eurostar 1000 satellites.
| Manufacturer | BAES |
|---|---|
| Purpose | Communication |
| Launch mass | 1310 kg |
| Dry mass | 624 kg |
| Length | 2 m |
| Diameter | 1.5 m |
| Span | 14.9 m |
| Shape | Box + 2 Pan |
| Power | 2 deployable solar arrays, batteries |
| Propulsion | R-4D-11 |
| Design life | 10 years |
| Equipment | 4 (+2) L-band transponders, 1 (+1) C-band transponders |
| Typical orbit | 1456 min period, 13° inclination |
Top operators
INMAR 4
Top countries
I-INM 4
Eurostar 1000 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| INMARSAT 2-F4 INMARSAT II F-4 | 21940 | 1992-021B | INMAR | Apr 15, 1992 | 1470 min, 12.2° | Inactive | ◉ |
| INMARSAT 2-F3 INMARSAT II F-3 | 21814 | 1991-084B | INMAR | Dec 16, 1991 | 1499 min, 14.2° | Inactive | ◉ |
| INMARSAT 2-F2 INMARSAT II F-2 | 21149 | 1991-018A | INMAR | Mar 8, 1991 | 1459 min, 12.8° | Inactive | ◉ |
| INMARSAT 2-F1 INMARSAT II F-1 | 20918 | 1990-093A | INMAR | Oct 30, 1990 | 1456 min, 13.1° | Inactive | ◉ |
Frequently asked questions
How many Eurostar 1000 satellites are there?
The catalog lists 4 objects built on the Eurostar 1000 bus. 4 are in orbit and 0 have reentered.
How many Eurostar 1000 satellites are in orbit?
4 Eurostar 1000 objects are currently in orbit, of which 0 carry an active status.
Who builds the Eurostar 1000 bus?
The Eurostar 1000 bus is most commonly built by BAES.
When did the first Eurostar 1000 satellite launch?
The first cataloged Eurostar 1000 satellite launched in 1990, and the most recent in 1992.