Hinotori (ASTRO-A), Japan's solar X-ray astronomy satellite from ISAS, launched on a Mu-3S from Kagoshima/Uchinoura into low Earth orbit to image solar flares in hard X-rays; operated until July 1991.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 188 kg
- Flight
- 2nd
- of 4 Mu-3S flights
- Date and time
- 21 February 1981, 00:30 UTC
- Rocket
- Mu-3S
- Builder
- Nissan
- Launch site
- Mu Center, Uchinoura Space Center, Japan
- Payload
- Heliophysics
- International designator
- 1981-017
- Launches in 1981
- 18th of 126
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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