ESPA/Sherpa-FX Satellite Bus
Data current as of 2026-07-20.
The ESPA/Sherpa-FX bus accounts for 3 cataloged objects, of which 3 are in orbit and 3 are active. Most are built by SFLIN. The largest operator on this bus is SFLIN. The first launched in 2021, the most recent in 2022.
3
In orbit
3
Active
3
Total launched
0
Reentered
ESPA/Sherpa-FX launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged ESPA/Sherpa-FX satellites.
| Manufacturer | SFLIN |
|---|---|
| Purpose | Satellite deployment |
| Launch mass | 128 kg |
| Dry mass | 128 kg |
| Length | 0.4 m |
| Diameter | 0.8 m |
| Span | 0.8 m |
| Shape | Cyl |
| Power | Solar cells, batteries |
| Propulsion | None |
| Equipment | CubeSat deployers |
| Typical orbit | 94 min period, 98° inclination |
Top operators
SFLIN 3
Top countries
US 3
ESPA/Sherpa-FX satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| SHERPA-AC1 SHERPA-AC1 | 52763 | 2022-057AH | SFLIN | May 25, 2022 | 94 min, 97.7° | Active | ◉ |
| SHERPA-FX2 & TAGSAT-2 SHERPA-FX 2 | 48958 | 2021-059CH | SFLIN | Jun 30, 2021 | 92 min, 97.7° | Active | ◉ |
| CELESTIS-17 & SHERPA-FX1 SHERPA-FX 1 | 47486 | 2021-006CB | SFLIN | Jan 24, 2021 | 94 min, 97.2° | Active | ◉ |
Frequently asked questions
How many ESPA/Sherpa-FX satellites are there?
The catalog lists 3 objects built on the ESPA/Sherpa-FX bus. 3 are in orbit and 0 have reentered.
How many ESPA/Sherpa-FX satellites are in orbit?
3 ESPA/Sherpa-FX objects are currently in orbit, of which 3 carry an active status.
Who builds the ESPA/Sherpa-FX bus?
The ESPA/Sherpa-FX bus is most commonly built by SFLIN.
When did the first ESPA/Sherpa-FX satellite launch?
The first cataloged ESPA/Sherpa-FX satellite launched in 2021, and the most recent in 2022.