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Greenhouse Gases Observing Satellite

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Greenhouse Gases Observing Satellite
JAXA Greenhouse observing satelite 2.jpg
Model of GOSAT at Tsukuba Space Center Space Dome
Names Ibuki
Mission type Environmental
Operator JAXA
COSPAR ID 2009-002A
SATCAT no. 33492
Website global.jaxa.jp/projects/sat/gosat/index.html
Mission duration 5 years (planned)
Elapsed: 14 years, 3 months, 17 days
Spacecraft properties
Manufacturer Mitsubishi Electric
Launch mass 1,750 kilograms (3,860 lb)
Power 3.8 kilowatts
Start of mission
Launch date 23 January 2009, 03:54 (2009-01-23UTC03:54) UTC
Rocket H-IIA-202 F15
Launch site Tanegashima, Yoshinobu 1
Contractor Mitsubishi Heavy Industries
Orbital parameters
Reference system Geocentric
Regime Low Earth
Perigee altitude 674 kilometres (419 mi)
Apogee altitude 676 kilometres (420 mi)
Inclination 98.06°
Period 98.12 minutes
Mean motion 14.68
Epoch 25 January 2015, 03:12:11 UTC
Main Instrument
Wavelengths 12900 - 13200 cm−1/ 5800 - 6400 cm−1/ 4800 - 5200 cm−1/ 700 - 1800 cm−1(FTS)
Resolution 0.2 cm−1 (FTS)
Instruments
TANSO-FTS - Infrared Fourier Transform Spectrometer
TANSO-CAI - Thermal and Near-Infrared Sensor
 

The Greenhouse Gases Observing Satellite (GOSAT), also known as Ibuki (Japanese: いぶき, Hepburn: Ibuki, meaning "breath"), is an Earth observation satellite and the world's first satellite dedicated to greenhouse gas monitoring. It measures the densities of carbon dioxide and methane from 56,000 locations on the Earth's atmosphere. The GOSAT was developed by the Japan Aerospace Exploration Agency (JAXA) and launched on 23 January 2009, from the Tanegashima Space Center. Japan's Ministry of the Environment, and the National Institute for Environmental Studies (NIES) use the data to track gases causing the greenhouse effect, and share the data with NASA and other international scientific organizations.

Launch

GOSAT was launched along with seven other piggyback probes using the H-IIA, Japan's primary large-scale expendable launch system, at 3:54 am on 23 January 2009 UTC on Tanegashima, a small island in southern Japan, after a two-day delay due to unfavourable weather. At approximately 16 minutes after liftoff, the separation of Ibuki from the launch rocket was confirmed.

Instruments

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 wavelengths (near-infrared region–thermal infrared region) within the infrared band to enhance observation accuracy. The satellite uses a spectrometer to measure different elements and compounds based on their response to certain types of light. This technology allows the satellite to measure "the concentration of greenhouse gases in the atmosphere at a super-high resolution."

GOSAT-2

The Greenhouse Gases Observing Satellite-2 or GOSAT-2, also known as IBUKI-2 (COSPAR 2018-084B) was launched from Tanegashima Space Center by a H-IIA rocket on October 29, 2018.

See also

External links


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