SW27 Satellite Bus
Data current as of 2026-07-20.
The SW27 bus accounts for 6 cataloged objects, of which 6 are in orbit and 6 are active. Most are built by CAST. The largest operator on this bus is CAST. All were launched in 2025.
6
In orbit
6
Active
6
Total launched
0
Reentered
SW27 launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged SW27 satellites.
| Manufacturer | CAST |
|---|---|
| Launch mass | 300 kg |
| Dry mass | 300 kg |
| Length | 0.3 m |
| Diameter | 3.0 m |
| Span | 10.0 m |
| Shape | Box+pan |
| Typical orbit | 106 min period, 100° inclination |
Top operators
CAST 6
Top countries
PRC 6
SW27 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| SHIYAN 27F | 63604 | 2025-078F | CAST | Apr 18, 2025 | 106 min, 99.7° | Active | ◉ |
| SHIYAN 27E | 63603 | 2025-078E | CAST | Apr 18, 2025 | 106 min, 99.7° | Active | ◉ |
| SHIYAN 27D | 63602 | 2025-078D | CAST | Apr 18, 2025 | 106 min, 99.7° | Active | ◉ |
| SHIYAN 27C | 63601 | 2025-078C | CAST | Apr 18, 2025 | 106 min, 99.7° | Active | ◉ |
| SHIYAN 27B | 63600 | 2025-078B | CAST | Apr 18, 2025 | 106 min, 99.7° | Active | ◉ |
| SHIYAN 27A | 63599 | 2025-078A | CAST | Apr 18, 2025 | 106 min, 99.7° | Active | ◉ |
Frequently asked questions
How many SW27 satellites are there?
The catalog lists 6 objects built on the SW27 bus. 6 are in orbit and 0 have reentered.
How many SW27 satellites are in orbit?
6 SW27 objects are currently in orbit, of which 6 carry an active status.
Who builds the SW27 bus?
The SW27 bus is most commonly built by CAST.
When did the first SW27 satellite launch?
The cataloged SW27 satellites all launched in 2025.