JB-5 Satellite Bus
Data current as of 2026-07-20.
The JB-5 bus accounts for 3 cataloged objects, of which 3 are in orbit and 2 are active. Most are built by SAST. The largest operator on this bus is ZZB. The first launched in 2006, the most recent in 2010.
3
In orbit
2
Active
3
Total launched
0
Reentered
JB-5 launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged JB-5 satellites.
| Manufacturer | SAST |
|---|---|
| Purpose | Earth observation (radar) |
| Launch mass | 2700 kg |
| Dry mass | 2700 kg |
| Length | 2 m |
| Diameter | 2 m |
| Span | 8 m |
| Shape | Box + 2 Pan |
| Power | Deployable solar array, batteries |
| Typical orbit | 97 min period, 98° inclination |
Top operators
ZZB 3
Top countries
CN 3
JB-5 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| YAOGAN-10 Yaogan Weixing 10 | 36834 | 2010-038A | ZZB | Aug 9, 2010 | 97 min, 97.9° | Active | ◉ |
| YAOGAN-3 Yaogan Weixing 3 | 32289 | 2007-055A | ZZB | Nov 11, 2007 | 97 min, 97.8° | Active | ◉ |
| RSS-1 (YAOGAN-1) Yaogan Weixing 1 | 29092 | 2006-015A | ZZB | Apr 26, 2006 | 97 min, 97.7° | Inactive | ◉ |
Frequently asked questions
How many JB-5 satellites are there?
The catalog lists 3 objects built on the JB-5 bus. 3 are in orbit and 0 have reentered.
How many JB-5 satellites are in orbit?
3 JB-5 objects are currently in orbit, of which 2 carry an active status.
Who builds the JB-5 bus?
The JB-5 bus is most commonly built by SAST.
When did the first JB-5 satellite launch?
The first cataloged JB-5 satellite launched in 2006, and the most recent in 2010.