| Item | Value |
|---|---|
| Size | 1U CubeSat |
| Bus | BIRDS-derived bus |
| Callsign | JS1YNI |
| Payload | Earth CAM / Sun CAM / photodiode |
| Camera controller | Raspberry Pi Zero 2 W |
| Development start | July 2022 |
| Handover | 2024-04-17 |
| Launch | 2024-08-05, Falcon 9 / Cygnus NG-21 |
| Deployment | 2024-08-29, ISS Kibo J-SSOD #31 |
| Re-entry | 2024-11-29 |
| NORAD ID | 60954 |
The callsign right after deployment is siXXXX
X is variable; it then switches to JS1YNI
Environmental tests
| Test | Result |
|---|---|
| Thermal vacuum | −15 ℃ / +55 ℃, 1.0 × 10⁻⁴ Pa |
| Thermal cycle | −12.7 ℃ / +56.6 ℃ |
| Vibration | First resonance X 445 → 450 Hz, Y 780 Hz, Z 780 Hz |
| Antenna deployment, 20 times | Deployment rate 90% or more, within 45 s |
| Deployment force | 0.5 kgf, creep test load 1.96 kgf |
| Deployment and RF Test | Deployed at 30 min 28 s, CW transmission at 30 min 27 s |
| Hot deployment | 34 s, requirement 14 s or more |