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Greenhouse Gases Observing Satellite-2
NamesIbuki-2
Mission typeEnvironmental
Operator JAXA
COSPAR ID 2018-084B Edit this at Wikidata
SATCAT no.43672 Edit this on Wikidata
Website www.satnavi.jaxa.jp/e/project/gosat2/
Mission duration5 years (planned)
Elapsed: 5 years, 5 months, 23 days
Spacecraft properties
Manufacturer Mitsubishi Electric [1]
Launch mass1,800 kilograms (4,000 lb) [1]
Power5000 W [1]
Start of mission
Launch date29 October 2018 04:08 (2018-10-29UTC04:08) UTC
Rocket H-IIA F40
Launch site Tanegashima, Yoshinobu 1
Contractor Mitsubishi Heavy Industries
Orbital parameters
Reference system Geocentric
Regime Low Earth
Eccentricity0.00106 [2]
Altitude612.98 km [2]
Inclination97.84° [2]
Period98.1 minutes [2]
Main Instrument
Wavelengths0.75 – 0.77 µm / 1.56 – 1.69 µm / 1.92 – 2.38 µm / 5.6 – 8.4 µm / 8.4 – 14.3 µm (FTS-2) [3]
Resolution0.2 cm−1 (FTS-2)
Instruments
TANSO-FTS-2 - Infrared Fourier Transform Spectrometer
TANSO-CAI-2 - Thermal and Near-Infrared Sensor
 

The Greenhouse Gases Observing Satellite-2 (GOSAT-2), also known as Ibuki-2 ( Japanese: いぶき2号, Hepburn: Ibuki nigō), is an Earth observation satellite dedicated to greenhouse gas monitoring. It is a successor of Greenhouse Gases Observing Satellite (GOSAT). The GOSAT-2 was developed as a joint project of the Japan Aerospace Exploration Agency ( JAXA), Ministry of the Environment, and the National Institute for Environmental Studies (NIES). It was launched on 29 October 2018 from the Tanegashima Space Center aboard the H-IIA rocket.[ citation needed]

Comparison to GOSAT

Major changes in comparison to the previous GOSAT are: [4]

  • Improved measurement precision.
  • FTS-2 can also monitor carbon monoxide (CO) and nitrogen dioxide (NO2).
  • FTS-2 can select cloud-free point automatically for observation.
  • While GOSAT's CAI was observing nadir view, GOSAT-2's CAI-2 observes forward (20 degree) and backward (20 degree) simultaneously.
  • CAI-2 can also monitor PM2.5 and black carbon. [1]

Successor: GOSAT-GW

As of November 2023, GOSAT-GW, the successor of GOSAT-2 and GCOM-W "Shizuku", is under development for launch in JFY2024 on the last flight of the H-IIA launch vehicle. [5]

References

  1. ^ a b c d "IBUKI-2（GOSAT-2）". JAXA. Retrieved 30 April 2021.
  2. ^ a b c d 地球観測データ利用ハンドブック（GOSAT-2／いぶき2号） (PDF) (in Japanese). JAXA. October 2020. Retrieved 1 May 2021.
  3. ^ "GOSAT-2 Project Site". National Institute of Environment Studies. Retrieved 30 April 2021.
  4. ^ "GOSAT-2 (Greenhouse gases Observing Satellite-2) / Ibuki-2". eoPortal. Retrieved 1 May 2021.
  5. ^ "GOSAT-GW" (in Japanese). JAXA. Retrieved 22 November 2023.

External links


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