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HISUI

HISUI [METI]

JAXA's HISUI (Hyperspectral Imager Suite) is an International Space Station (ISS) based hyper spectral imager developed by Japanese Ministry of Economy, Trade, and Industry (METI) as its 4th spaceborne optical imager mission.

The objective of HISUI is to obtain data necessary to start full-scale application development of hyperspectral remote sensing for oil/gas/mineral resource exploration and other fields such as agriculture, forestry, and coastal issues.

The HISUI imager is based on earlier experience like OPS onboard JERS-1 satellite, ASTER onboard NASA’s Terra satellite and ASNARO 1. It has a ground resolution of 20 km by 30 km with a swath width of 20 km. It operates in 185 bands between 0.4 and 2.5 μm with a spectral resolution of 10-12.5 nm.

HISUI consists of two components:

  • HISUI-Exposed Payload (HISUI-ExP) will be attached to Port #8 of JEM Exposed Facility (EF) as a nadir-viewing instrument. It also has support sensors such as a gyro, two star trackers, GPS receivers, and a mission data processor.
  • HISUI Mission Data Recorder - Pressurized Module (MDR-PM) will be installed inside of JEM-PM.

HISUI data will be partially transmitted to ground stations (~ 10 GB/day equal to 30,000 km2). The rest (~ max. 300 GB/day equal to 900,000 km2) will be recorded in removal media and shipped back to Earth by cargo ships three or four times a year.

HISUI will be launched in 2020 on Dragon CRS-20 and deployed on the JEM-EF for three year operation under collaboration with Ministry of Education, Culture, Sports, Science and Technology (MEXT) and JAXA.

Nation: Japan
Type / Application: Earth observation
Operator: METI
Contractors: METI
Equipment:
Configuration: Attached ISS payload
Propulsion: None
Power: Via ISS
Lifetime: 3 years
Mass: 500 kg
Orbit: 400 km × 400 km, 51.6° (typical)
Satellite COSPAR Date LS Launch Vehicle Remarks
HISUI - 2020 CC SLC-40 Falcon-9 v1.2 (Block 5) with Dragon CRS-20, Bartolomeo-CEPHFISS, FRAM

References: