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JAXA
The Japan Aerospace Exploration Agency (JAXA) is Japan's national aerospace and space agency, formed in 2003 through the merger of three organizations: the Institute of Space and Astronautical Science (ISAS), the National Aerospace Laboratory of Japan (NAL), and the National Space Development Agency of Japan (NASDA).
Tokyo, Japan Est. 2003 Government
- Founded
- 2003
- Headquarters
- Tokyo, Japan
- Ownership
- Subsidiary of Ministry of Education, Culture, Sports, Science and Technology
Quick Facts
Country
Japan
Founded
2003
Type
government
Status
operational
About JAXA
Updated 2026-09-12
The Japan Aerospace Exploration Agency (JAXA) is Japan's national aerospace and space agency, formed in 2003 through the merger of three organizations: the Institute of Space and Astronautical Science (ISAS), the National Aerospace Laboratory of Japan (NAL), and the National Space Development Agency of Japan (NASDA). JAXA conducts research and development in aeronautics, space technology, and space exploration.
Headquartered in Chofu, Tokyo, JAXA operates major facilities including the Tsukuba Space Center, Tanegashima Space Center, and Sagamihara Campus. The agency employs approximately 1,500 staff and operates with an annual budget of ¥215.5 billion (JFY2023). Under President Hiroshi Yamakawa, JAXA pursues exploration, Earth observation, and technology development programs.
History and Milestones
Japan's space program dates to 1955 with the launch of the Pencil rocket. NASDA was established in 1969 for satellite and launcher development, while ISAS focused on space science. Japan launched its first satellite, Ohsumi, in 1970, becoming the fourth nation to orbit a satellite.
The H-II rocket, first launched in 1994, established Japan's independent heavy-lift capability. The H-IIA, introduced in 2001, became Japan's primary launch vehicle with an excellent success rate. Japanese astronauts have participated in Space Shuttle and ISS missions, with the Kibo laboratory module contributing to the station since 2008.
JAXA achieved notable exploration milestones including the Hayabusa mission, which returned asteroid samples to Earth in 2010—a world first. Hayabusa2 returned samples from asteroid Ryugu to Earth in 2020. These missions demonstrated Japan's prowess in deep space exploration and precision navigation.
Products and Services
JAXA's operational medium-lift launcher is H3, which entered service in 2024 with a new LE-9 engine and flexible configurations. The H-IIA, Japan's workhorse since 2001, flew its 50th and final mission on 28 June 2025 (16:33 UTC) from Tanegashima, carrying the GOSAT-GW climate satellite; H-IIB had already been retired after the last HTV cargo flight in 2020.
Japan's satellite programs include the Advanced Land Observing Satellite (ALOS) series for Earth observation, the Quasi-Zenith Satellite System (QZSS) for regional navigation enhancement, and communications satellites. JAXA also develops and operates scientific satellites for astronomy and space physics research.
The agency provides astronaut services, with Japanese astronauts serving on ISS expeditions and contributing to international partnerships. JAXA is developing lunar exploration capabilities through the Lunar Polar Exploration (LUPEX) mission partnership with ISRO and other international collaborations.
Technology and Capabilities
JAXA has developed advanced technologies in propulsion, materials, and robotics. The LE-9 engine uses an expander bleed cycle for high reliability. The agency's expertise in sample return missions—demonstrated by Hayabusa and Hayabusa2—represents world-leading capability in deep space navigation and precision operations.
The H-II Transfer Vehicle (HTV), called "Kounotori," delivered cargo to the ISS from 2009 to 2020, demonstrating Japan's unmanned spacecraft capabilities. Its successor, HTV-X, will serve the station and potentially support lunar Gateway operations.
JAXA maintains testing and tracking facilities including acoustic, thermal vacuum, and vibration testing at Tsukuba, plus ground stations for mission operations. The agency also develops technologies for space debris removal, satellite servicing, and in-space propulsion.
Business and Financial Overview
JAXA operates as an independent administrative institution funded primarily by the Japanese government, with an annual budget of ¥215.5 billion (JFY2023). The agency contracts with Japanese aerospace companies including Mitsubishi Heavy Industries, IHI Aerospace, and NEC for spacecraft and launch vehicle development.
Commercial launch services are marketed through MHI, which operates H-IIA and H3 launches. Japan seeks to increase its share of the commercial launch market through H3's competitive pricing and reliability.
International partnerships include collaboration with NASA on the Artemis program, ESA on various missions, and bilateral agreements with numerous countries. JAXA provides satellite services to international customers and participates in global space science collaborations.
Recent Developments
In 2024, JAXA achieved the first successful H3 launch following an initial failure in 2023, validating the new launch vehicle. The agency advanced lunar exploration preparations, including the SLIM (Smart Lander for Investigating Moon) mission, which achieved Japan's first lunar landing in January 2024.
JAXA continued asteroid sample analysis from the Hayabusa2 mission and advanced the Martian Moons eXploration (MMX) mission for launch to Phobos. The agency also developed the HTV-X cargo vehicle and contributed to international Mars sample return planning.
The agency expanded commercial space initiatives and private sector partnerships while advancing Earth observation capabilities and maintaining ISS operations. JAXA also developed technologies for the proposed Lunar Gateway station.
Market Position
JAXA represents Japan's comprehensive space capabilities, maintaining independent access to space while contributing to international partnerships. The agency competes with other launch providers through H3 while collaborating with NASA, ESA, and other agencies on exploration.
Japan's aerospace industry, led by MHI, IHI, and Kawasaki Heavy Industries, supports JAXA's programs while developing commercial opportunities. The government has established space as a strategic sector, supporting industry growth and international competitiveness.
JAXA's strategic priorities include lunar exploration, Mars sample return, Earth observation, and technology development for sustainable space activities.
Products and product lines
| Product | Line | Note |
|---|---|---|
| H3 | Launch vehicle | JAXA/Mitsubishi Heavy Industries medium-lift rocket and Japan's primary launcher; after a March 2023 debut failure it returned to flight successfully on 17 February 2024 and has since flown regularly, including cargo and interplanetary missions. |
| HTV-X | Cargo spacecraft | Successor to the HTV 'Kounotori' ISS resupply vehicle; HTV-X1 launched 26 October 2025 on H3 flight No. 7 and berthed with the ISS on 30 October 2025. |
| SLIM (Smart Lander for Investigating Moon) | Lunar lander | Technology-demonstration lander that touched down on the Moon on 20 January 2024 (JST), achieving pinpoint-landing accuracy of roughly 10 meters or less and making Japan the fifth nation to soft-land on the Moon. |
| MMX (Martian Moons eXploration) | Sample-return mission | Mission to Phobos and Deimos to collect and return a Phobos sample; scheduled to launch on an H3 rocket around 19-20 October 2026 after earlier delays tied to the H3's 2023 failure. |
| Space Strategy Fund | Industry funding programme | Approximately ¥1 trillion (~$6.7 billion), 10-year fund approved by Japan's cabinet in November 2023 and administered at JAXA to support private-sector satellite, exploration and launch technology development. |
| Astronaut Corps | Human spaceflight programme | JAXA selected two new astronaut candidates, World Bank risk specialist Makoto Suwa and surgeon Ayu Yoneda, on 28 February 2023, its first new selection in over a decade, with an eye toward future ISS and Artemis missions. |
Timeline
- 2023 H3's debut launch fails on 7 March when the second-stage engine does not ignite, destroying the ALOS-3 satellite. [source]
- 2023 JAXA selects two new astronaut candidates, Makoto Suwa and Ayu Yoneda, on 28 February. [source]
- 2023 Japan's cabinet approves a roughly ¥1 trillion, 10-year Space Strategy Fund administered at JAXA to support private space-industry development. [source]
- 2024 SLIM achieves Japan's first lunar landing on 20 January (JST), with pinpoint accuracy of about 10 meters or less, though it lands at an angle that initially prevented solar power generation. [source]
- 2024 H3 returns to flight successfully on 17 February, reaching its intended sun-synchronous orbit. [source]
- 2025 HTV-X1, the first flight of JAXA's next-generation cargo spacecraft, launches 26 October on H3 flight No. 7 from Tanegashima. [source]
- 2025 HTV-X1 completes berthing with the International Space Station on 30 October, captured by Canadarm2 and berthed the same day. [source]
- 2026 MMX is scheduled to launch on an H3 rocket from Tanegashima around 19-20 October, beginning its roughly one-year cruise to the Martian system. [source]
- 2025 H-IIA Flight 50 (28 June, 16:33 UTC) launches GOSAT-GW from Tanegashima, the 50th and final flight of H-IIA after 24 years of service; H3 is now Japan's operational medium-lift vehicle. [source]
Key People
Yamakawa Hiroshi (President)
Team
Yamakawa Hiroshi (President)
Signals
- Verification
- Verified 2026-09-12
Categories & Capabilities
Industry Categories
Vehicle Types
Heavy Lift Medium Lift Small Lift
Propulsion Systems
Liquid Hydrogen Solid Fuel
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Frequently asked about JAXA
Quick answers to the questions readers most often search for.
- When was JAXA founded?
- JAXA was founded in 2003 in Japan.
- Where is JAXA headquartered?
- JAXA is headquartered in Tokyo, Japan.
- What does JAXA do?
- The Japan Aerospace Exploration Agency (JAXA) is Japan's national aerospace and space agency, formed in 2003 through the merger of three organizations: the Institute of Space and Astronautical Science (ISAS), the National Aerospace Laboratory of Japan (NAL), and the National Space Development Agency of Japan (NASDA). J…
- What sector does JAXA operate in?
- JAXA works in space agency, Research and Government, plus 1 other space-industry sectors.
Sources
The structured fields on this page (founding year, location, sector, status, listing) and the profile text are drawn from the sources below. How profiles are drafted and checked is described in our methodology.
- Official website (www.jaxa.jp)
- Wikidata / Wikipedia · retrieved 2026-09-04
- JAXA Press: Finalizes Selection of Astronaut Candidates (28 Feb 2023) · retrieved 2026-09-06
- Wikipedia: H3 (rocket) · retrieved 2026-09-06
- SpaceNews: Japan creates multibillion-dollar space strategic fund (2023) · retrieved 2026-09-06
- JAXA Press: Results of the SLIM Moon Landing (25 Jan 2024) · retrieved 2026-09-06
- JAXA Press: Successful berthing of HTV-X1 to the ISS (30 Oct 2025) · retrieved 2026-09-06
- JAXA/MMX project site · retrieved 2026-09-06
- Wikipedia: Epsilon (rocket) · retrieved 2026-09-11
- JAXA: Epsilon Launch Vehicle project page · retrieved 2026-09-11
- Merged duplicate entry epsilon-rocket · retrieved 2026-09-11
- NASASpaceFlight: Japan’s GOSAT-GW launches aboard final H-IIA rocket · retrieved 2026-09-12
Data Accuracy Notice: Information about JAXA is compiled from publicly available sources including company websites, press releases, regulatory filings, and industry reports. Data is reviewed periodically but may not reflect the most recent developments.
Matched to OpenCorporates, Wikidata · data pass September 12, 2026
Editorial owner: Dr. Donovan, Editor-in-Chief Company representatives may submit corrections • This page does not constitute an endorsement or affiliation • Learn about our data methodology