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GOSAT

completedLaunch 2009-002
Launched 1/23/2009LEOService CGSat SSO O
Admin Edit
Payloads
Assets deployed on this mission, enriched from spacecraft records.
8 payloads
Hitomi (2009-002B)
retired
Earth Observation
LEO
Ibuki
active
Earth ObservationLEO
Kagayaki
retired
Technology DemonstrationLEO
Kiseki
active
Technology DemonstrationLEO
Kukai
retired
Technology DemonstrationLEO
Maido-1
retired
Technology DemonstrationLEO
Raijin
retired
Science ExplorationLEO
SDS-1
retired
Technology DemonstrationLEO
Launch Details
Launch Date
1/23/2009
Launch ID
2009-002
Launch Profile
Sat SSO O
Service Type
CG
Orbit
LEO
Launch Stack
Operator
Mitsubishi Heavy Industries (MHI)
Launch Vehicle
H-IIA 202
Launch Site
Yoshinobu Launch Complex, Osaki Site, Tanegashima Space Center (Tanegashima Space Center, Tanegashima, Nippon)J
Payload Summary
Payload Count
8
Payload Status
retired 6 / active 2
Payload Mission Types
Technology Demonstration 5 / Earth Observation 2 / Science Exploration 1
Track
Mentions
27
All verified mentions of this mission in source documents.

The AMSR3 microwave radiometer is installed on the GOSAT-GW satellite, also known as Ibuki GW.

CapabilityGeneralValue 3.6Jun 30, 2026JAXA avvia la distribuzione dei dati AMSR3, il nuovo sensore che migliora le previsioni meteorologiche satellitari

Akihiro Kuze previously served as Project Manager of the Ibuki-2 (GOSAT-2) mission.

GovernanceValue 2.0Apr 3, 2026JAXA Selects Contractor for Next-Gen Earth Observation Constellation

Japan launched Ibuki (GOSAT), the first satellite dedicated to observing greenhouse gases from space.

GeneralCapabilityPlanValue 4.5Apr 3, 2026JAXA Selects Contractor for Next-Gen Earth Observation Constellation

JAXA and ANA have applied observation techniques derived from JAXA’s greenhouse gas observation satellite Ibuki (GOSAT) starting in September 2020 to aircraft-based atmospheric measurements.

CapabilityPlanValue 4.0Dec 16, 2025JAXAとANA、「飛行機の窓」から大気成分を観測–衛星リモセン活用して温室効果ガス削減へ

JAXA's Hiroshi Yamakawa shared updates on the GOSAT-GW satellite, HTV-X, and MMX Mars moon exploration project.

GeneralCapabilityValue 1.8Nov 20, 2025シドニーで開かれた「IAC 2025」現地レポート–中国が存在感、オーストラリアは各地で特色も

GOSAT-GW is equipped with the Advanced Microwave Scanning Radiometer (AMSR3).

CapabilityValue 4.0Nov 13, 2025Atmospheric satellite market anticipated to grow at 9.3% CAGR thru 2029

The Japan Aerospace Exploration Agency (JAXA) launched the Greenhouse Gases and Water Cycle Observation Satellite (GOSAT-GW) in June 2025.

PlanValue 4.0Nov 13, 2025Atmospheric satellite market anticipated to grow at 9.3% CAGR thru 2029

GOSAT-GW aids in tracking the water cycle and advances climate change studies.

CapabilityGeneralValue 2.5Nov 13, 2025Atmospheric satellite market anticipated to grow at 9.3% CAGR thru 2029

The AMSR3 sensor onboard GOSAT-GW observes microwaves emitted from the land, sea surface, and atmosphere.

CapabilityValue 4.0Oct 21, 2025観測衛星「いぶきGW」、定常運用を開始–温室効果ガスや水の循環をより詳細に

Mitsubishi Electric is the prime manufacturer for GOSAT-GW.

RelationshipsCapabilityValue 4.0Oct 21, 2025観測衛星「いぶきGW」、定常運用を開始–温室効果ガスや水の循環をより詳細に

GOSAT-GW was launched on June 29 aboard the last unit of the domestic core rocket, H-IIA, which is the 50th unit.

PlanGeneralValue 4.0Oct 21, 2025観測衛星「いぶきGW」、定常運用を開始–温室効果ガスや水の循環をより詳細に

The TANSO-3 sensor onboard GOSAT-GW was developed by a contract from MOE to JAXA and is a successor to TANSO-FTS-2, which was onboard GOSAT-2.

RelationshipsCapabilityValue 4.4Oct 21, 2025観測衛星「いぶきGW」、定常運用を開始–温室効果ガスや水の循環をより詳細に

It has been revealed that the annual increase in CO2 concentration observed by GOSAT from 2023 to 2024 is the largest since observations began, at 3.5 ppm per year.

GeneralCapabilityValue 3.0Oct 21, 2025観測衛星「いぶきGW」、定常運用を開始–温室効果ガスや水の循環をより詳細に

GOSAT-GW continues the water cycle variation observation mission of Shizuku (GCOM-W), launched in 2012, and the greenhouse gas observation missions of GOSAT, launched in 2009, and GOSAT-2, launched in 2018.

CapabilityGeneralValue 3.0Oct 21, 2025観測衛星「いぶきGW」、定常運用を開始–温室効果ガスや水の循環をより詳細に

GOSAT-GW is part of the Earth observation satellite project GOSAT promoted in cooperation with JAXA, the National Institute for Environmental Studies (NIES), and the Ministry of the Environment (MOE).

RelationshipsValue 3.0Oct 21, 2025観測衛星「いぶきGW」、定常運用を開始–温室効果ガスや水の循環をより詳細に

The greenhouse gas and water circulation observation satellite, GOSAT-GW, has completed its initial function confirmation operation period and has begun routine operation.

PlanValue 3.2Oct 21, 2025観測衛星「いぶきGW」、定常運用を開始–温室効果ガスや水の循環をより詳細に

ADRAS-J is designed to rendezvous with and characterize a Japanese H-2A upper stage rocket body left in low Earth orbit after the 2009 launch of the GOSAT Earth observation satellite.

CapabilityPlanGeneralValue 4.0Feb 19, 2024UPDATE 3: Rocket Lab successfully launches Astroscale’s satellite to study the removal of space junk

The target upper stage is from an H-2A rocket that launched the GOSAT Earth observation satellite in 2009.

GeneralValue 2.0Feb 18, 2024Electron launches Astroscale inspection satellite

ADRAS-J is designed to rendezvous with and inspect an aged, derelict H‑2A upper stage left in low Earth orbit after the 2009 launch of the GOSAT Earth observation satellite.

CapabilityPlanValue 4.0Feb 12, 2024Rocket Lab schedules Astroscale’s launch for ‘space junk’ inspection mission

Japan plans to extend its GOSAT series in 2024 with the GOSAT Greenhouse gases and Water cycle (GOSAT-GW) spacecraft that will carry an infrared spectrometer to measure monthly mean concentrations of greenhouse gases and calculate national anthropogenic greenhouse gas inventories.

PlanCapabilityValue 4.0Jan 25, 2024Not Invisible Anymore: Satellites reveal sources of atmospheric methane
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