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Greenhouse Gases Observing Satellite-2
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Greenhouse Gases Observing Satellite-2

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Greenhouse Gases Observing Satellite-2
Names Ibuki-2
Mission type Environmental
Operator JAXA
COSPAR ID 2018-084B
SATCAT no. 43672Edit this on Wikidata
Website www.satnavi.jaxa.jp/e/project/gosat2/
Mission duration 5 years (planned)
Elapsed: 4 years, 6 months, 12 days
Spacecraft properties
Manufacturer Mitsubishi Electric
Launch mass 1,800 kilograms (4,000 lb)
Power 5000 W
Start of mission
Launch date 29 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
Eccentricity 0.00106
Altitude 612.98 km
Inclination 97.84°
Period 98.1 minutes
Main Instrument
Wavelengths 0.75 – 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)
Resolution 0.2 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.

Comparison to GOSAT

Major changes in comparison to the previous GOSAT are:

  • 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.

Successor: GOSAT-GW

GOSAT-GW is currently being developed for launch in 2023.

External links



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