Mission Atlas
← Mission directory

Mission record

Suisei

Also known as Planet-A

Institute of Space and Aeronautical Science, U of Tokyo · Launched

Explore trajectory

Completed · Success

Suisei was launched into heliocentric orbit to fly by Comet P/Halley and encountered it in 1986.

Destinations
Launch vehicle
M-3SII
Launch site
Uchinoura Space Center, Japan
Countries
Japan
Mission types
Flyby

Chronology

Mission timeline

  1. Launch

    Launched from Uchinoura Space Center on an M-3SII

    Earth

  2. Flyby

    Encountered Comet Halley at 151,000 km

    1P/Halley

Mission architecture

Vehicles

  • Suisei · Spacecraft · completed

    Destinations: 1P/Halley

Trajectory record

Trajectory dataset not yet available

No verified trajectory dataset is committed for this mission, so Mission Atlas renders no path.

Provenance

Sources

Each source is listed once and labeled with the mission, event, trajectory, or destination/body context it supports.

Data verified through September 4, 2026