| Name | Tsuru (BIRDS-4) |
|---|---|
| Type | CubeSat |
| Units or mass | 1U |
| Status | Reentry 2022-07-05. Was operational, but 2 of 3 had solar panel failures and negative power budget (Signals reported on Twitter and SatNOGS as of 2021-03-27) |
| Launched | 2021-02-20 |
| NORAD ID | 47927 |
| Deployer | J-SSOD (JEM Small Satellite Orbital Deployer) |
| Launcher | Antares (NG-15) |
| Deployment | Deployed from ISS on 2021-03-14 |
| Organisation | Kyushu Institute of Technology |
| Institution | University |
| Entity | Academic / Education |
| Nation | Japan |
| Manufacturer | AIVT by Kyushu Institute of Technology |
| Launch brokerer | JAXA |
| Oneliner |
Educational and amateur radio mission. |
| Description |
The primary mission of BIRDS-4 CubeSat constellation is to provide digital message relay service to the amateur radio community by means of an APRS (Automatic Packet Reporting System) digipeater onboard.
|
| Results | |
| Failure cause | Two BIRDS-4 had one solar panel failure and negative power budget. Need to confirm which ones. |
| Sources | [1] [2] [3] [4] |
| Photo sources | [1] [2] [3] [4] |
| Space photos |    
|
Last modified: 2023-06-09
Detailed Tsuru entry in the Database
Full Nanosats Database (much more data)
