JB-8 Satellite Bus
Data current as of 2026-07-20.
The JB-8 bus accounts for 7 cataloged objects, of which 7 are in orbit and 7 are active. Most are built by CAST. The largest operator on this bus is ZZB. The first launched in 2010, the most recent in 2014.
7
In orbit
7
Active
7
Total launched
0
Reentered
JB-8 launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged JB-8 satellites.
| Manufacturer | CAST |
|---|---|
| Purpose | Earth observation |
| Launch mass | 500 kg |
| Dry mass | 500 kg |
| Length | 0.5 m |
| Diameter | 0.5 m |
| Span | 1 m |
| Shape | Box + 2 Pan |
| Power | 2 deployable solar arrays, batteries |
| Typical orbit | 107 min period, 63° inclination |
Top operators
ZZB 7
Top countries
CN 7
JB-8 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| YAOGAN-25 01A Yaogan Weixing 25 | 40338 | 2014-080A | ZZB | Dec 10, 2014 | 107 min, 63.4° | Active | ◉ |
| YAOGAN-20 01A Yaogan Weixing 20 | 40109 | 2014-047A | ZZB | Aug 9, 2014 | 107 min, 63.4° | Active | ◉ |
| YAOGAN-17 01A Yaogan Weixing 17 | 39239 | 2013-046A | ZZB | Sep 1, 2013 | 107 min, 63.4° | Active | ◉ |
| YAOGAN-16 01A Yaogan Weixing 16 | 39011 | 2012-066A | ZZB | Nov 25, 2012 | 107 min, 63.4° | Active | ◉ |
| YAOGAN-9 01C Yaogan Weixing 9 fu xing er | 36415 | 2010-009C | ZZB | Mar 5, 2010 | 107 min, 63.4° | Active | ◉ |
| YAOGAN-9 01B Yaogan Weixing 9 fu xing yi | 36414 | 2010-009B | ZZB | Mar 5, 2010 | 107 min, 63.4° | Active | ◉ |
| YAOGAN-9 01A Yaogan Weixing 9 | 36413 | 2010-009A | ZZB | Mar 5, 2010 | 107 min, 63.4° | Active | ◉ |
Frequently asked questions
How many JB-8 satellites are there?
The catalog lists 7 objects built on the JB-8 bus. 7 are in orbit and 0 have reentered.
How many JB-8 satellites are in orbit?
7 JB-8 objects are currently in orbit, of which 7 carry an active status.
Who builds the JB-8 bus?
The JB-8 bus is most commonly built by CAST.
When did the first JB-8 satellite launch?
The first cataloged JB-8 satellite launched in 2010, and the most recent in 2014.