BD-3M Satellite Bus
Data current as of 2026-07-20.
The BD-3M bus accounts for 14 cataloged objects, of which 14 are in orbit and 12 are active. Most are built by CAST. The largest operator on this bus is CNSA. The first launched in 2015, the most recent in 2024.
14
In orbit
12
Active
14
Total launched
0
Reentered
BD-3M launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged BD-3M satellites.
| Manufacturer | CAST |
|---|---|
| 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, 57° inclination |
Top operators
CNSA 14
Top countries
CN 14
BD-3M satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| BEIDOU-3 M28 Beidou DW 60 | 61187 | 2024-168C | CNSA | Sep 19, 2024 | 773 min, 54.4° | Active | ◉ |
| BEIDOU-3 M27 Beidou DW 59 | 61186 | 2024-168B | CNSA | Sep 19, 2024 | 773 min, 54.4° | Active | ◉ |
| BEIDOU-3 M26 Beidou DW 58 | 58655 | 2023-207B | CNSA | Dec 26, 2023 | 773 min, 55.8° | Active | ◉ |
| BEIDOU-3 M28 Beidou DW 57 | 58654 | 2023-207A | CNSA | Dec 26, 2023 | 773 min, 55.8° | Active | ◉ |
| BEIDOU-3 M20 Beidou DW 53 | 44865 | 2019-090B | CNSA | Dec 16, 2019 | 773 min, 56.6° | Active | ◉ |
| BEIDOU-3 M19 Beidou DW 52 | 44864 | 2019-090A | CNSA | Dec 16, 2019 | 773 min, 56.6° | Active | ◉ |
| BEIDOU-3 M6 Beidou DW 34 | 43582 | 2018-062B | CNSA | Jul 29, 2018 | 773 min, 54.1° | Active | ◉ |
| BEIDOU-3 M5 Beidou DW 33 | 43581 | 2018-062A | CNSA | Jul 29, 2018 | 773 min, 54.1° | Active | ◉ |
| BEIDOU-3 M3 Beidou DW 28 | 43208 | 2018-018B | CNSA | Feb 12, 2018 | 773 min, 56.7° | Active | ◉ |
| BEIDOU-3 M4 Beidou DW 29 | 43207 | 2018-018A | CNSA | Feb 12, 2018 | 773 min, 56.7° | Active | ◉ |
| BEIDOU-3 M2 Beidou DW 25 | 43002 | 2017-069B | CNSA | Nov 5, 2017 | 773 min, 56.7° | Active | ◉ |
| BEIDOU-3 M1 Beidou DW 24 | 43001 | 2017-069A | CNSA | Nov 5, 2017 | 773 min, 56.7° | Active | ◉ |
| BEIDOU-3S M1S Beidou DW 18 | 40749 | 2015-037B | CNSA | Jul 25, 2015 | 773 min, 54.8° | Inactive | ◉ |
| BEIDOU-3S M2S Beidou DW 19 | 40748 | 2015-037A | CNSA | Jul 25, 2015 | 773 min, 54.8° | Inactive | ◉ |
Frequently asked questions
How many BD-3M satellites are there?
The catalog lists 14 objects built on the BD-3M bus. 14 are in orbit and 0 have reentered.
How many BD-3M satellites are in orbit?
14 BD-3M objects are currently in orbit, of which 12 carry an active status.
Who builds the BD-3M bus?
The BD-3M bus is most commonly built by CAST.
When did the first BD-3M satellite launch?
The first cataloged BD-3M satellite launched in 2015, and the most recent in 2024.