Suisei Mission: mission and targets
Data as of 2026-10-04
Dates declared by the archive
- Project start
- August 18, 1985
- Declared end
- February 28, 1998
The start the archive declares is the start of the project, not the launch, and an end it does not declare does not mean the mission is still running.
In Galaxy
Targets you can open in 3D:
A declared target is what the archive files the mission’s data under, not a record of observation.
Description published by the archive
The Suisei mission was the primary Japanese mission to Comet 1P/Halley - part of the Halley Armada. Following on the success of the Sakigake practice mission, Suisei launched in August 1985 and successfully flew by Halley's comet at a distance of 151,000km on the sunward side.
Quoted in English, as the archive publishes it, read on October 4, 2026.
Source
Identifier in the archive, which is its citation: urn:nasa:pds:context:investigation:mission.suisei
NASA Planetary Data System, PDS Registry, investigation context products. Dates and targets read on September 29, 2026; how to cite the archive: https://pds.nasa.gov/datastandards/citing/