DFH-3B Satellite Bus
Data current as of 2026-07-20.
The DFH-3B bus accounts for 18 cataloged objects, of which 18 are in orbit and 15 are active. Most are built by CAST. The largest operator on this bus is CNSA. The first launched in 2009, the most recent in 2023.
18
In orbit
15
Active
18
Total launched
0
Reentered
DFH-3B launched per year
Still in orbit Click a year to list its satellites.
Typical specifications
Most common values across cataloged DFH-3B satellites.
| Manufacturer | CAST |
|---|---|
| Purpose | Navigation |
| Launch mass | 3060 kg |
| Dry mass | 1700 kg |
| Length | 3 m |
| Diameter | 1.7 m |
| Span | 18 m |
| Shape | Box + 2 Pan |
| Power | 2 deployable solar arrays, batteries |
| Propulsion | FY-25 |
| Design life | 8 years |
| Equipment | ? |
| Typical orbit | 1436 min period, 0° inclination |
Top operators
CNSA 16 CAST 1 LANAST/APMT 1
Top countries
CN 17 LA 1
DFH-3B satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| LUDI TANCE-4 01A Ludi Tance 4A | 57624 | 2023-120A | CNSA | Aug 12, 2023 | 1436 min, 15.1° | Active | ◉ |
| BEIDOU-3 G4 Beidou DW 56 | 56564 | 2023-066A | CNSA | May 17, 2023 | 1436 min, 0.5° | Active | ◉ |
| BEIDOU-3 G3 Beidou DW 55 | 45807 | 2020-040A | CNSA | Jun 23, 2020 | 1436 min, 2.5° | Active | ◉ |
| BEIDOU-3 G2 Beidou DW 54 | 45344 | 2020-017A | CNSA | Mar 9, 2020 | 1436 min, 2.9° | Active | ◉ |
| BEIDOU-3 IGSO-3 Beidou DW 49 | 44709 | 2019-073A | CNSA | Nov 4, 2019 | 1436 min, 54.9° | Active | ◉ |
| BEIDOU-3 IGSO-2 Beidou DW 46 | 44337 | 2019-035A | CNSA | Jun 24, 2019 | 1436 min, 55.3° | Active | ◉ |
| BEIDOU-2 G8 Beidou DW 45 | 44231 | 2019-027A | CNSA | May 17, 2019 | 1436 min, 1.7° | Active | ◉ |
| BEIDOU-3 IGSO-1 Beidou DW 44 | 44204 | 2019-023A | CNSA | Apr 20, 2019 | 1436 min, 58.7° | Active | ◉ |
| BEIDOU-3 G1 Beidou DW 41 | 43683 | 2018-085A | CNSA | Nov 1, 2018 | 1436 min, 2.9° | Active | ◉ |
| CHINASAT 16 (SJ-13) Shi Jian 13 | 42662 | 2017-018A | CAST | Apr 12, 2017 | 1436 min, 0.1° | Active | ◉ |
| BEIDOU-2 G7 Beidou DW 23 | 41586 | 2016-037A | CNSA | Jun 12, 2016 | 1436 min, 1.8° | Active | ◉ |
| LAOSAT 1 LaoSat 1 | 41034 | 2015-067A | LANAST/APMT | Nov 20, 2015 | 1436 min, 0.0° | Active | ◉ |
| BEIDOU-2 G6 Beidou DW 16 | 38953 | 2012-059A | CNSA | Oct 25, 2012 | 1436 min, 4.5° | Active | ◉ |
| BEIDOU-2 G5 Beidou DW 11 | 38091 | 2012-008A | CNSA | Feb 24, 2012 | 1436 min, 3.7° | Active | ◉ |
| BEIDOU-2 G4 Beidou DW 6 | 37210 | 2010-057A | CNSA | Oct 31, 2010 | 1436 min, 3.7° | Active | ◉ |
| BEIDOU-2 G3 Beidou DW 4 | 36590 | 2010-024A | CNSA | Jun 2, 2010 | 1436 min, 4.6° | Inactive | ◉ |
| BEIDOU-2 G1 Beidou DW 3 | 36287 | 2010-001A | CNSA | Jan 16, 2010 | 1436 min, 4.4° | Inactive | ◉ |
| BEIDOU-2 G2 Beidou DW 2 | 34779 | 2009-018A | CNSA | Apr 14, 2009 | 1524 min, 11.5° | Inactive | ◉ |
Frequently asked questions
How many DFH-3B satellites are there?
The catalog lists 18 objects built on the DFH-3B bus. 18 are in orbit and 0 have reentered.
How many DFH-3B satellites are in orbit?
18 DFH-3B objects are currently in orbit, of which 15 carry an active status.
Who builds the DFH-3B bus?
The DFH-3B bus is most commonly built by CAST.
When did the first DFH-3B satellite launch?
The first cataloged DFH-3B satellite launched in 2009, and the most recent in 2023.