Yohkoh (Solar-A) solar observatory spacecraft
Yohkoh, formerly Solar-A, was an ISAS/JAXA solar observatory spacecraft that studied solar flares and the high-energy corona through a full solar-activity cycle. Its low-Earth orbit enabled long-running X-ray and gamma-ray observations during the 1990s.
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Identity
- Aliases
- YohkohSolar-ASOLAR-AYohkoh spacecraft
- Family Name
- Yohkoh
- Full Name
- Yohkoh (Solar-A) solar observatory spacecraft
- Roles
- orbiterobservatoryresearch
- Status
- retired
- Type
- spacecraft
Details
- Description
- Yohkoh, formerly Solar-A, was an ISAS/JAXA solar observatory spacecraft that studied solar flares and the high-energy corona through a full solar-activity cycle. Its low-Earth orbit enabled long-running X-ray and gamma-ray observations during the 1990s.
- First Flight Year
- 1,991
- Last Flight Year
- 2,004
- Manufacturer
- Operator
- Programs
- -
- Spacecraft Specs
- Launch Mass Kg
- 390
- Reusability
- expendable
Links
Assets & Meta
- Creation Time
- August 1, 2026 at 00:02:29 UTC
- Updated Time
- August 13, 2026 at 23:13:14 UTC