INMARSAT Satellites
Data current as of 2026-07-20.
INMARSAT is responsible for 9 cataloged objects, of which 9 are in orbit and 1 are active. 9 of those are payloads, with 0 rocket bodies and debris. The first launched in 1990, and the most recent in 1998. Its most prolific operator by object count is INMAR. INMARSAT is an international organization rather than a sovereign state.
9
In orbit
1
Active
9
Total cataloged
0
Reentered
Object types
9
Payloads
0
Other (rocket bodies + debris)
INMARSAT satellites launched per year
Still in orbit Click a year to list its satellites.
Top operators
The organizations responsible for the most INMARSAT objects.
| Operator | Objects |
|---|---|
| INMAR | 9 |
Top spacecraft buses
The platforms INMARSAT satellites are built on.
| Bus | Satellites |
|---|---|
| AS4000 | 5 |
| Eurostar 1000 | 4 |
INMARSAT satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Bus | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|---|
| INMARSAT 3-F5 INMARSAT III F-5 | 25153 | 1998-006B | AS4000 | INMAR | Feb 4, 1998 | 1436 min, 9.8° | Active | ◉ |
| INMARSAT 3-F4 INMARSAT III F-4 | 24819 | 1997-027A | AS4000 | INMAR | Jun 3, 1997 | 1447 min, 11.6° | Inactive | ◉ |
| INMARSAT 3-F3 INMARSAT III F-3 | 24674 | 1996-070A | AS4000 | INMAR | Dec 18, 1996 | 1440 min, 10.4° | Inactive | ◉ |
| INMARSAT 3-F2 INMARSAT III F-2 | 24307 | 1996-053A | AS4000 | INMAR | Sep 6, 1996 | 1440 min, 9.9° | Inactive | ◉ |
| INMARSAT 3-F1 INMARSAT III F-1 | 23839 | 1996-020A | AS4000 | INMAR | Apr 3, 1996 | 1440 min, 10.7° | Inactive | ◉ |
| INMARSAT 2-F4 INMARSAT II F-4 | 21940 | 1992-021B | Eurostar 1000 | INMAR | Apr 15, 1992 | 1470 min, 12.2° | Inactive | ◉ |
| INMARSAT 2-F3 INMARSAT II F-3 | 21814 | 1991-084B | Eurostar 1000 | INMAR | Dec 16, 1991 | 1499 min, 14.2° | Inactive | ◉ |
| INMARSAT 2-F2 INMARSAT II F-2 | 21149 | 1991-018A | Eurostar 1000 | INMAR | Mar 8, 1991 | 1459 min, 12.8° | Inactive | ◉ |
| INMARSAT 2-F1 INMARSAT II F-1 | 20918 | 1990-093A | Eurostar 1000 | INMAR | Oct 30, 1990 | 1456 min, 13.1° | Inactive | ◉ |
Frequently asked questions
How many satellites does INMARSAT have in orbit?
9 INMARSAT objects are currently in orbit, out of 9 ever cataloged. 0 have reentered.
How many INMARSAT satellites are active?
1 INMARSAT objects carry an active status in the catalog, out of 9 payloads.
When did INMARSAT's first satellite launch?
The first cataloged INMARSAT object launched in 1990, and the most recent in 1998.