JB-10 Satellite Bus
Data current as of 2026-07-20.
The JB-10 bus accounts for 3 cataloged objects, of which 2 are in orbit and 2 are active. 1 have reentered. Most are built by CAST. The largest operator on this bus is ZZB. The first launched in 2008, the most recent in 2014.
2
In orbit
2
Active
3
Total launched
1
Reentered
JB-10 launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged JB-10 satellites.
| Manufacturer | CAST |
|---|---|
| Purpose | Earth observation |
| Launch mass | 2700 kg |
| Dry mass | 2700 kg |
| Length | 2 m |
| Diameter | 2 m |
| Span | 8 m |
| Shape | Box + 2 Pan |
| Power | 2 deployable solar arrays, batteries |
| Typical orbit | 94 min period, 97° inclination |
Top operators
ZZB 3
Top countries
CN 3
JB-10 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| YAOGAN-21 Yaogan Weixing 21 | 40143 | 2014-053A | ZZB | Sep 8, 2014 | 94 min, 97.1° | Active | ◉ |
| YAOGAN-12 Yaogan Weixing 12 | 37875 | 2011-066B | ZZB | Nov 9, 2011 | 94 min, 97.1° | Active | ◉ |
| YAOGAN-5 Yaogan Weixing 5 | 33456 | 2008-064A | ZZB | Dec 15, 2008 | 87 min, 97.1° | Reentered | ◉ |
Frequently asked questions
How many JB-10 satellites are there?
The catalog lists 3 objects built on the JB-10 bus. 2 are in orbit and 1 have reentered.
How many JB-10 satellites are in orbit?
2 JB-10 objects are currently in orbit, of which 2 carry an active status.
Who builds the JB-10 bus?
The JB-10 bus is most commonly built by CAST.
When did the first JB-10 satellite launch?
The first cataloged JB-10 satellite launched in 2008, and the most recent in 2014.