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Japan launches world’s first greenhouse-gas monitoring satellite IBUKI (GOSAT)


Japan has launched a satellite that will be used to observe the concentration distribution of greenhouse gases from space. The launch of the Ibuki satellite (also known by GOSAT – Greenhouse Gases Observing Satellite) took place on January 23 at 03:54 UTC from the LP1 launch platform of the Yoshinubo launch complex on Tanegashima. Ikubi has a approximate mass of 1750 kg. Is equipped with two solar panels that generate 3.8 kW. The satellite will operate for 5 years on a sun-synchronous sub-recurrent orbit with a inclination of 98 deg. The launch vehicle used was the 202 version of the H-2A rocket equipped with two solid rocket boosters and with the 4S fairing design (4 meters in diameter). Mitsubishi Heavy Industries, Ltd. was in charge of the launch service of the H-IIA.


According to JAXA the Ibuki satellite is equipped with a greenhouse gas observation sensor (TANSO-FTS) and a cloud/aerosol sensor (TANSO-CAI) that supplements TANSO-FTS. The greenhouse gas observation sensor of Ibuki observes a wide range of wave lengths (near infrared region – thermal infrared region) within the infrared band to enhance observation accuracy.




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