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GOSAT (Greenhouse gases Observing Satellite) is a JAXA (Japan Aerospace Exploration Agency) mission within the GCOM (Global Change Observation Mission) programme of Japan. The GOSAT mission goals call for the study of the transport mechanisms of greenhouse gases such as carbon dioxide (CO2) and methane (CH4).

The emphasis is on atmospheric monitoring to clarify the sources and sinks of CO2 on a sub-continental scale.

The overall mission objective is to contribute to environmental administration by estimating the Green House Gases (GHGs) source and sink on a sub-continental scale and to support the Kyoto protocol that was adsorbed at COP3/UNFCCC (3rd session of the conference in the framework of climate change) in 1997. The protocol calls for a reduction of greenhouse gases, in particular CO2; it requires all parties to reduce their emissions by 5% below the level of the year 1990, for the period of 2008-2012

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Release of new GOSAT FTS L1 products

16 July 2019

JAXA is pleased to announce the new release of GOSAT FTS L1 products v220.220. GOSAT data can be retrieved from the dissemination server at ftp://gosat-ds.eo.esa.int. and users are invited to download the new version.

GOSAT data access - Maintenance on 27 May 2019

24 May 2019

Due to a scheduled maintenance at JAXA, the dissemination of new GOSAT products to the ESA repository for the GOSAT data will be suspended on Monday 27 May 2019 from 04:00 to 11:00 CEST.

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Facts and figures
Operators JAXA (Japan Aerospace Exploration Agency)
Date of Launch 23 January 2009
Status Operating nominally
Orbit Height 666 km
Orbit Type Sun-synchronous
Repeat Cycle 3 days
Resolution (CAI instrument): 0.5 km (spectral bands 1,2,3), 1.5 km (spectral band 4)
Swath Width (CAI instrument): 1000 km (Channels 1-3), 750 km (Channel 4)
Onboard Sensors provided under TPM
  • TANSO-FTS (Thermal And Near infrared Sensor for carbon Observation - Fourier Transform Spectrometer)
  • TANSO-CAI (Thermal And Near infrared Sensor for carbon Observation - Cloud and Aerosol Imager)