1. Study on Forcast of Localied Downpour and TornadoIn-orbit experiments of an original observation method of atmospheric water vapor.
2. Take Earth Live Images from Space
Ku-band high-speed data transmission, one shot / a few seconds.
3. Basic Experiments for LEO Positioning Satellites
Frequency and phase synchronization between a ground-base system and a satellite.
4. Orbit Determination Experiments with Radio Interferometer
Essential item for nano-satellite orbiting at very low earth orbit.
5. Satellite Tracking Experiment at Very Low Earth Orbi Evaluation of Earth’s atmosphere to the satellite.
6. Verification of Pantograph-type Extending Boom in Space
The boom was originally designed and is fit for compact satellites.
7. Messages of Encouragement from Space to Japan. Hand-lettered messages and heart warming pictures, especially from children responsible for the future.
Communication
Dual uplink, Dual downlink and a beacon signal.
Frequency Band | Moduration Method | Transmission Rate | Purpose | |
---|---|---|---|---|
Uplink | UHF Band | F2D | 1 kbps | Commands |
S Band | G2D | 1 kbps | Command (Backup) | |
Downlink | S Band | G1D | 200 ksps | HK Data |
Ku Band | G1D | 1 Mbps or Carrier | Image and Beacon |
# Coding by viterbi algorithm is applied to S-band downlink data.

Main body of the satellite has a shape of 10 cm Cube, and its mass will be 1.5 kg. An expanding boom for attitude control and two solar paddles are attached to the main body.