Sensor · Spaceborne

Total Anthropogenic and Natural emissions mapping SpectrOmeter-3 (TANSO-3)

Missions → GOSAT-GW (IBUKI GW) (Commissioning)

Grating imaging spectrometer carried by GOSAT-GW for CO2, CH4 and NO2 observations in wide and focus modes.

Sensor

Total Anthropogenic and Natural emissions mapping SpectrOmeter-3 (TANSO-3) is the passive optical grating imaging spectrometer carried by GOSAT-GW for greenhouse-gas and air-pollutant observation. ^[1] ^[2] It observes three spectral bands around 0.45 um, 0.76 um and 1.61 um, supporting CO2, CH4 and NO2 retrievals. ^[2] Standard Level 2 products are planned for XCO2, XCH4, SIF and NO2, with standard Level 1 and Level 2 products planned for free availability. ^[3] Wide Mode provides 10 km footprints across a 911 km swath and is designed to produce globally covered maps within 3 days. ^[2] Focus Mode trades coverage for targeted high-spatial-resolution snapshots, with 1-3 km footprints over an approximately 90 km target area. ^[2] TANSO-3 has demonstrated short-wave-infrared absorption screening and tropospheric NO2 column retrieval on GOSAT-GW, linking greenhouse-gas mapping with air-pollution observation in the same instrument. ^[2]

Operator pricing

Pricing not publicly listed by operator

Supply chain position

carried by GOSAT-GW (IBUKI GW)

Methods this sensor implements

Demonstrated

SWIR absorption - global screeningvia GOSAT-GW (IBUKI GW)
TANSO-3 measures reflected sunlight in visible, O2 A-band and SWIR bands for CO2 and CH4 column retrieval on GOSAT-GW.

Capable, undemonstrated

UV-VIS nadir spectroscopy
[wmo-tanso-3] Visible band at 0.45 micrometres suits DOAS NO2 fitting; [nies-gosat-gw] a NO2 Level 2 product is planned for GOSAT-GW, so the method is not yet demonstrated on this sensor.

Sources

[1]IBUKI GW (GOSAT-GW), JAXA Satellite Navigatoragency doc2026-06-16
[2]The greenhouse gas observation mission with GOSAT-GWpeer reviewed2026-06-16
[3]GOSAT-GW Project: greenhouse gas observation and data products, NIESagency doc2026-06-16

Cite https://eo-atlas.org/products/sensor/tanso-3 Markdown twin → Field definitions → Suggest a correction →

How to cite this page

Plain text

Total Anthropogenic and Natural emissions mapping SpectrOmeter-3 (TANSO-3). EO-Atlas, SpectraWorks B.V. https://eo-atlas.org/products/sensor/tanso-3 (CC BY 4.0)

BibTeX

@misc{eoatlas:products:sensor:tanso-3,
  title = {Total Anthropogenic and Natural emissions mapping SpectrOmeter-3 (TANSO-3)},
  author = {{EO-Atlas}},
  publisher = {SpectraWorks B.V.},
  note = {CC BY 4.0},
  url = {https://eo-atlas.org/products/sensor/tanso-3}
}