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Mission record

Sakigake

Also known as MS-T5, Pioneer

Institute of Space and Aeronautical Science, U of Tokyo · Launched January 8, 1985

Explore trajectory

Lost · Success

Sakigake is a test spacecraft that flew by Comet P/Halley on its sunward side in 1986.

Destinations: 1P/Halley Show 1P/Halley in the explorer
Launch vehicle: M-3SII
Launch site: Uchinoura Space Center, Japan
Countries: Japan
Mission types: Flyby, Technology demonstrator

Chronology

Mission timeline

January 8, 1985
Launch
Launched from Uchinoura Space Center on an M-3SII
Earth
March 11, 1986
Flyby
Flew by Comet Halley on its sunward side
1P/Halley
November 15, 1995
Loss of contact
Telemetry contact lost

Mission architecture

Vehicles

Sakigake · Spacecraft · lost
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

Sakigake - NSSDCA Master Catalog (spacecraft 1985-001A), archived snapshot — NSSDCAArchive · Supports: mission claims · event claims
1P/Halley - NASA Science — NASAMission page · Supports: destination/body context
Planet Sizes and Locations in Our Solar System — NASAOther · Supports: destination/body context