Suisei
Suisei was Japan's dedicated Halley probe. Its ultraviolet imager and solar-wind instrument tracked the comet's activity, water production, and interaction with the surrounding plasma environment.
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Identity
- Aliases
- PLANET-A1985-073A
- Name
- Suisei
- Status
- completed
Details
- Astronauts
- -
- Description
- Suisei was Japan's dedicated Halley probe. Its ultraviolet imager and solar-wind instrument tracked the comet's activity, water production, and interaction with the surrounding plasma environment.
- Destination
- Heliocentric orbit on a Comet Halley flyby trajectory (approximately 151,000 km flyby), followed by a final Earth swing-by
- End Date
- 1992-08-20
- Launch Site
- Outcome
- Suisei passed about 151,000 kilometers from Comet Halley on March 8, 1986, measured the nucleus rotation and changing water output, and later completed its mission with a final Earth swing-by on August 20, 1992.
- Programs
- -
- Start Date
- 1985-08-18
- Vehicle Families
Links
Assets & Meta
- Creation Time
- July 18, 2026 at 13:00:49 UTC
- Updated Time
- August 21, 2026 at 01:55:28 UTC
- Image
- Download
Other
- Affiliations
- Search Name
- Suisei PLANET-A 1985-073A
- Space Stations
- -
- Vehicles