Earth Observation
SUISEI (PLANET-A)
NonoperationalEarth ObservationHeliocentric
Suisei , originally known as Planet-A, was an uncrewed space probe developed by the Institute of Space and Astronautical Science.
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Launch
- Launch date
- August 18, 1985 at 11:33 PM UTC
- Launch site
- Uchinoura, Japan
- Launched by
- Mu-3S-II →
- Operator
- Institute of Space and Astronautical Science
- Mission
- Suisei
- Launch record
- View full launch →
Trajectory
- Regime
- Interplanetary — Heliocentric
- Reference body
- Heliocentric
Spacecraft
- Operator
- Japan
- Launch mass
- 138.75 kg
Identity
- COSPAR (Int'l)
- 1985-073A
- NORAD catalog №
- 15967
- Object type
- Payload
- Owner / operator
Japan- Status
- Nonoperational
End of mission
- Fate
- No longer operational — remains in orbit as inactive.
- Final status
- Nonoperational