BD-3M2 Satellite Bus
Data current as of 2026-07-20.
The BD-3M2 bus accounts for 9 cataloged objects, of which 9 are in orbit and 8 are active. Most are built by SECM. The largest operator on this bus is CNSA. The first launched in 2016, the most recent in 2019.
9
In orbit
8
Active
9
Total launched
0
Reentered
BD-3M2 launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged BD-3M2 satellites.
| Manufacturer | SECM |
|---|---|
| Purpose | Navigation |
| Launch mass | 1014 kg |
| Dry mass | 850 kg |
| Length | 2.2 m |
| Diameter | 1.7 m |
| Span | 10 m |
| Shape | Box + 2 Pan |
| Power | 2 deployable solar arrays, batteries |
| Design life | 12 years |
| Equipment | ? |
| Typical orbit | 773 min period, 54° inclination |
Top operators
CNSA 9
Top countries
CN 9
BD-3M2 satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| BEIDOU-3 M21 Beidou DW 50 | 44794 | 2019-078B | CNSA | Nov 23, 2019 | 773 min, 53.9° | Active | ◉ |
| BEIDOU-3 M22 Beidou DW 51 | 44793 | 2019-078A | CNSA | Nov 23, 2019 | 773 min, 53.9° | Active | ◉ |
| BEIDOU-3 M11 Beidou DW 35 | 43603 | 2018-067B | CNSA | Aug 24, 2018 | 773 min, 54.2° | Active | ◉ |
| BEIDOU-3 M12 Beidou DW 36 | 43602 | 2018-067A | CNSA | Aug 24, 2018 | 773 min, 54.2° | Active | ◉ |
| BEIDOU-3 M10 Beidou DW 31 | 43246 | 2018-029B | CNSA | Mar 29, 2018 | 773 min, 54.2° | Active | ◉ |
| BEIDOU-3 M9 Beidou DW 30 | 43245 | 2018-029A | CNSA | Mar 29, 2018 | 773 min, 54.2° | Active | ◉ |
| BEIDOU-3 M8 Beidou DW 27 | 43108 | 2018-003B | CNSA | Jan 11, 2018 | 773 min, 54.3° | Active | ◉ |
| BEIDOU-3 M7 Beidou DW 26 | 43107 | 2018-003A | CNSA | Jan 11, 2018 | 773 min, 54.3° | Active | ◉ |
| BEIDOU-3S M3S Beidou DW 21 | 41315 | 2016-006A | CNSA | Feb 1, 2016 | 773 min, 56.7° | Inactive | ◉ |
Frequently asked questions
How many BD-3M2 satellites are there?
The catalog lists 9 objects built on the BD-3M2 bus. 9 are in orbit and 0 have reentered.
How many BD-3M2 satellites are in orbit?
9 BD-3M2 objects are currently in orbit, of which 8 carry an active status.
Who builds the BD-3M2 bus?
The BD-3M2 bus is most commonly built by SECM.
When did the first BD-3M2 satellite launch?
The first cataloged BD-3M2 satellite launched in 2016, and the most recent in 2019.