Greenhouse Gases Observing Satellite-2
| Names | Ibuki-2 |
|---|---|
| Mission type | Environmental |
| Operator | JAXA |
| COSPAR ID | 2018-084B |
| SATCAT no. | 43672 |
| Website | www |
| Mission duration | 5 years (planned) Elapsed: 5 years, 10 months, 4 days |
| Spacecraft properties | |
| Manufacturer | Mitsubishi Electric[1] |
| Launch mass | 1,800 kilograms (4,000 lb)[1] |
| Power | 5000 W[1] |
| Start of mission | |
| Launch date | 29 October 2018 04:08 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[2] |
| Altitude | 612.98 km[2] |
| Inclination | 97.84°[2] |
| Period | 98.1 minutes[2] |
| 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)[3] |
| 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.[citation needed]
Comparison to GOSAT
[edit]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
[edit]As of November 2023[update], 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
[edit]- ^ a b c d "IBUKI-2（GOSAT-2）". JAXA. Retrieved 30 April 2021.
- ^ 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.
- ^ "GOSAT-2 Project Site". National Institute of Environment Studies. Retrieved 30 April 2021.
- ^ "GOSAT-2 (Greenhouse gases Observing Satellite-2) / Ibuki-2". eoPortal. Retrieved 1 May 2021.
- ^ "GOSAT-GW" (in Japanese). JAXA. Retrieved 22 November 2023.
External links
[edit]- GOSAT-2 site by JAXA
- GOSAT site by NIES
- GOSAT-2 site by NIES
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