1990-013B
The H-I LE-5 second stage from the Momo-1b flight carried a supplementary technology experiment called DEBUT, the Deployable Boom and Umbrella Test. It was named Orizuru (an origami crane) after launch.
DEBUT was built by NAL. The satellite was a 0.44m 26-sided polyhedron similar to the JAS/Fuji satellites, with a 0.2m box containing the boom system on top. The umbrella deployed at the end of the boom was a test for aerodyamic braking; it was 0.90m dia when open. Mass of the umbrella was 4 kg. The 5 kg boom is 1.20m long deployed; overall deployed height 1.94m. Total mass 50.3kg. The spacecraft operated 10 days.
The boom was deployed and retracted 34 times and the ADB was opened and closed 52 times.
| Orizuru | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1990 Feb 7 | 0133 | Launch by H-I | TNSC |
| SECO-1 | |||
| SES-2 | |||
| MOS-1b sep | |||
| SECO-2 | |||
| DEBUT sep | |||
| 1990 Feb 17 | End of transmissions | ||
Payload:
- Boom mechanism
- ADB Deployable aerodynamic umbrella mechanism
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