Galileo Satellite Bus
Data current as of 2026-07-20.
The Galileo bus accounts for 9 cataloged objects, of which 8 are in orbit and 8 are active. 1 have reentered. Most are built by OHB. The largest operator on this bus is EUSPA. The first launched in 1989, the most recent in 2025.
8
In orbit
8
Active
9
Total launched
1
Reentered
Galileo launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged Galileo satellites.
| Manufacturer | OHB |
|---|---|
| Purpose | Navigation |
| Launch mass | 733 kg |
| Dry mass | 660 kg |
| Length | 2.7 m |
| Diameter | 1.6 m |
| Span | 14.5 m |
| Shape | Box+2 pan |
| Power | 2 deployable solar arrays, batteries |
| Propulsion | AOCS |
| Design life | +12 years |
| Equipment | Galileo Navigation payload, MEO SAR |
| Typical orbit | 845 min period, 55° inclination |
Top operators
EUSPA 8 NASA 1
Top countries
I-EU 6 ESA 2 US 1
Galileo satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| GALILEO 34 (139) GSAT0234,Galileo139 | 67162 | 2025-302C | EUSPA | Dec 17, 2025 | 845 min, 54.4° | Active | ◉ |
| GALILEO 33 (138) GSAT0233,Galileo138 | 67160 | 2025-302A | EUSPA | Dec 17, 2025 | 845 min, 54.4° | Active | ◉ |
| GSAT0226 (GALILEO 31) GalileoSat-32 | 61183 | 2024-167B | EUSPA | Sep 17, 2024 | 845 min, 55.2° | Active | ◉ |
| GSAT0232 (GALILEO 32) GalileoSat-31 | 61182 | 2024-167A | EUSPA | Sep 17, 2024 | 845 min, 55.2° | Active | ◉ |
| GSAT0227 (GALILEO 30) GalileoSat-30 | 59600 | 2024-079C | EUSPA | Apr 28, 2024 | 845 min, 55.1° | Active | ◉ |
| GSAT0225 (GALILEO 29) GalileoSat-29 | 59598 | 2024-079A | EUSPA | Apr 28, 2024 | 845 min, 55.1° | Active | ◉ |
| GSAT0224 (GALILEO 28) GalileoSat-28 | 49810 | 2021-116B | EUSPA | Dec 5, 2021 | 845 min, 57.1° | Active | ◉ |
| GSAT0223 (GALILEO 27) GalileoSat-27 | 49809 | 2021-116A | EUSPA | Dec 5, 2021 | 845 min, 57.1° | Active | ◉ |
| GALILEO Galileo | 20298 | 1989-084B | JPL | Oct 18, 1989 | · | Reentered | ◉ |
Frequently asked questions
How many Galileo satellites are there?
The catalog lists 9 objects built on the Galileo bus. 8 are in orbit and 1 have reentered.
How many Galileo satellites are in orbit?
8 Galileo objects are currently in orbit, of which 8 carry an active status.
Who builds the Galileo bus?
The Galileo bus is most commonly built by OHB.
When did the first Galileo satellite launch?
The first cataloged Galileo satellite launched in 1989, and the most recent in 2025.