Name Tsuru (BIRDS-4)
Type CubeSat
Units or mass 1U
Status Reentry 2022-07-05. Was operational (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

Educational and amateur radio mission.


1. APRS digipeater 2. Store-and-Forward 3. Total Ionization Dosage 4. Hentenna mission 5. Active attitude control 6. Perovskite solar cell 7. Camera mission 8. On-board Image classification 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.

Sources [1] [2] [3] [4] [5] [6] [7] [8]
Photo Sources [1] [2]
Space photos TsuruTsuruTsuruTsuru


Last modified: 2022-12-29
Detailed Tsuru entry in the Database
Full Nanosats Database (much more data)

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