Japan Space Systems

Short description: Japanese nonprofit organization

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Japan Space Systems (一般財団法人宇宙システム開発利用推進機構, Ippan Zaidan Hōjin Uchū Shisutemu Kaihatsu Riyō Suishin Kikō), or JSS, is a Japanese space agency. It was founded in 2012 with the merger of three independent organizations: the Institute for Unmanned Space Experiment Free Flyer (USEF), the Earth Remote Sensing Data Analysis Center (ERSDAC) and Japan Resources Observation System Organization (JAROS). JSS specializes in the development and applications for earth observation satellites and satellite navigation. It has collaborated with other national and international space agencies such as NASA and the International Space Station programme.[1][2]

## Contents

* 1 History
* 2 Goal
* 3 Launch vehicle
* 4 Completed missions
* 4.1 EXPRESS
* 4.2 USERS
* 4.3 SERVIS 1
* 4.4 SERVIS 2
* 5 ASNARO missions
* 5.1 ASNARO 1
* 5.2 ASNARO 2
* 6 Other technology projects
* 7 References
* 8 External links

## History

On 30 March 2012, three organizations merged to form Japan Space Systems: Institute for Unmanned Space Experiment Free Flyer (USEF), the Earth Remote Sensing Data Analysis Center (ERSDAC) and Japan Resources Observation System Organization (JAROS). JSS is formed as a General Incorporated Foundation (一般財団法人) under the Ministry of Economy, Trade and Industry (METI).[3] Before the merger, the three organizations are independently administered by METI.

In 2021, JSS expanded its operations by merging with the Satellite Positioning Research and Application Center (SPAC).[4] The latter is now a division of JSS.

## Goal

The aim of USEF is technology development, especially the testing of commercial off-the-shelf parts (COTS), robotics, material sciences, and technology for optical earth observations.

## Launch vehicle

Unlike the Japan Aerospace Exploration Agency (JAXA), Japan Space Systems doesn't have its own launch vehicle. Instead, it has used either the H-IIA, the M-3S, or Russian rockets, so far. However, in 2008, METI mentioned the possibility of JSS developing an air-launched vehicle for small payloads.[5]

## Completed missions

### EXPRESS

The Experiment Re-entry Space System (EXPRESS) was a 745 kg (1,642 lbs) satellite for microgravity experiments and testing of re-entry technologies. The project was done in cooperation with ISAS (now JAXA) and DLR of Germany. On January 15, 1995, it was launched on the M-3S. However, due to a problem with the rocket, the orbit was much lower than planned. The re-entry capsule was found later in Ghana.[6]

### USERS

Unmanned Space Experiment Recovery System (USERS) was launched on the H-IIA on 10 September 2002. The aim of the mission was microgravity experiments to perform the Super-Conductor Material Processing Experiment and also testing of satellite bus technologies. For the first part of the mission, USERS carried a return capsule. It was retrieved successfully on 29 May 2003. The mission of the main orbiter ended during re-entry in 2007.[7]

### SERVIS 1

Main article: Engineering:SERVIS-1

The SERVIS-1 is an 840 kg (1,851 lbs) technology test mission with COTS parts. It was launched on 30 October 2003 using a Rockot carrier rocket. the mission duration was two years.[8]

### SERVIS 2

Main article: Engineering:SERVIS-2

SERVIS-2 was a 900 kg (1,984 lbs) technology test mission with COTS parts. It will continue the experiments done with the first SERVIS satellite. It was launched on 2 June 2010 with a Rockot carrier rocket.[7][9]

## ASNARO missions

### ASNARO 1

ASNARO (ja)-1, the first of "Advanced Satellite with New system Architecture Observation" series, is a 450 kg (992 lb) earth observation satellite. The expected resolution is less than 0.5 meter (1.6 ft) from an SSO orbit. The satellite was launched on 6 November 2014 by a Dnepr rocket from Yasniy, Russia.[10][11]

### ASNARO 2

ASNARO 2 is small X-band radar satellite for Earth observation. The satellite was launched on 17 January 2018 by an Epsilon rocket.[12]

## Other technology projects

USEF developed the robotic arm of the ETS-VII project to test docking technology in the 1990s.

Demonstration of Green Propellant reaction control system (GPRCS) was originally under development for SERVIS-3 project.[13] Eventually it was launched and demonstrated successfully aboard RAPIS-1 in 2019.[14]

Hyperspectral Imager Suite (HISUI) was launched aboard SpaceX CRS-19 on 5 December 2019 to the International Space Station and installed at the External Facility of the Japanese Experiment Module Kibo.

## References

1. ↑ Tan, Howard (13 May 2025). "ASTER: Advanced Spaceborne Thermal Emission and Reflection Radiometer". https://asterweb.jpl.nasa.gov/.
2. ↑ "ISS Utilization: HISUI (Hyperspectral Imager Suite) - eoPortal" (in en). https://www.eoportal.org/satellite-missions/iss-hisui.
3. ↑ "概要・沿革" (in ja). https://www.jspacesystems.or.jp/about/history/.
4. ↑ "財団合併に関するお知らせ" (in ja). 2025-04-01. https://www.jspacesystems.or.jp/.
5. ↑ Matsuda, Seiji; Kanai, Hiroshi; Fuji, Takayoshi; Hinada, Motoki; Kaneoka, Mitsuteru (April 28, 2008). "An Affordable Micro Satellite Launch Concept in Japan". 6th Responsive Space Conference. http://www.responsivespace.com/Papers/RS6/SESSIONS/SESSION V/5004_MATSUDA/5004P.pdf.
6. ↑ "EXPRESS: Experiment Re-entry Space System". USEF. http://www.usef.or.jp/english/f3_project/express/f3_express.html.
7. ↑ 7.0 7.1 "USERS: Unmanned Space Experiment Recovery System". USEF. http://www.usef.or.jp/english/f3_project/users/f3_users.html.
8. ↑ "SERVIS: Space Environment Reliability Verification Integrated System". USEF. http://www.usef.or.jp/english/f3_project/servis/f3_servis.html.
9. ↑ "実証衛星2号機（SERVIS-2）打ち上げ成功" (in ja). June 3, 2010. http://www.usef.or.jp/project/servis/servis-2_0603.pdf.
10. ↑ "ASNARO: Advanced Satellite with New system Architecture for Observation". USEF. http://www.usef.or.jp/english/f3_project/asnaro/f3_asnaro.html.
11. ↑ "ЗАПУСК КА "АСНАРО"". http://www.kosmotras.ru/news/154.
12. ↑ "宇宙基本計画工程表（平成27年度改訂）" (in ja). Cabinet Office of Japan. December 18, 2015. https://www8.cao.go.jp/space/plan/plan2/kaitei_fy27/kaitei_fy27.pdf.
13. ↑ "Error: no `|title=` specified when using {{Cite web}}" (in ja). Japan Space Systems. 2013. https://ssl.jspacesystems.or.jp/wp-content/uploads/2017/01/16/Jspacesystems_01.pdf.Error:+no+`|title=`+specified when+using+{{[[Template:Cite+web|Cite+web]]}}&rft.atitle=&rft.date=2013&rft.pub=Japan+Space+Systems&rft_id=https://ssl.jspacesystems.or.jp/wp-content/uploads/2017/01/16/Jspacesystems_01.pdf&rfr_id=info:sid/en.wikibooks.org:Organization:Japan_Space_Systems">
14. ↑ "Error: no `|title=` specified when using {{Cite web}}" (in ja). JAXA. 15 March 2019. https://fanfun.jaxa.jp/topics/detail/14250.html.Error:+no+`|title=`+specified when+using+{{[[Template:Cite+web|Cite+web]]}}&rft.atitle=&rft.date=15+March+2019&rft.pub=JAXA&rft_id=https://fanfun.jaxa.jp/topics/detail/14250.html&rfr_id=info:sid/en.wikibooks.org:Organization:Japan_Space_Systems">

## External links

* No URL found. Please specify a URL here or add one to Wikidata.

* v
* t
* e

Japanese space program

* JAXA
* former ISAS
* NAL
* NASDA
* NICT
* USEF

Astronomical
observation|

| Completed|

* Akari
* ASCA
* Ginga
* Hakucho
* HALCA
* Hinotori
* Suzaku
* Tenma
* Yohkoh

|

In operation|

* Hinode
* Hisaki

Failed|

* Hitomi

Planned|

* ATHENA2
* EUVST
* HiZ-GUNDAM
* LiteBIRD
* Nano-JASMINE
* Small-JASMINE
* SPICA2
* WFIRST1
* WSO-UV5
* XRISM1

Canceled|

* Astro-G

Communications,
broadcasting and
positioning|

| Completed|

* BS
* 2X
* 3H
* 3N
* Kakehashi
* Kirari
* Kizuna
* Kodama
* MBSat
* N-STAR
* a
* b
* Sakura (1
* 2a
* 2b
* 3a
* 3b)
* Yuri
* 1
* 2a
* 2b
* 3a
* 3b

|

In operation|

* Kirameki
* 1
* 2
* Michibiki
* 1
* 2
* 3
* 4
* MTSAT
* N-STAR
* c
* d

Planned|

* DSN
* 3
* JDRS
* QZS
* 1R
* 5
* 6
* 7

Earth observation|

| Completed|

* Akebono
* Daichi
* Denpa
* Fuyo-1
* Jikiken
* Kyokko
* Midori
* I
* II
* Momo
* 1
* 1b
* Ohozora
* Taiyo
* TRMM1
* Ume
* 1
* b

|

In operation|

* Aqua17
* Arase
* ASNARO
* 1
* 2
* Daichi-2
* GEOTAIL1
* GPM1
* Himawari
* Ibuki
* 2
* Shikisai
* Shizuku

Planned|

* ALOS
* 3
* 4
* EarthCARE2
* GOSAT-3

Engineering tests|

| Completed|

* Ayame
* 1
* 2
* DASH
* EXPRESS
* IKAROS
* Jindai
* Kiku
* 1
* 2
* 3
* 4
* 5
* 6
* 7
* 8
* LDREX
* 1
* 2
* LRE
* Micro LabSat-1
* Myojo
* Ohsumi
* Orizuru
* Ryusei
* SERVIS-1
* SERVIS-2
* SDS-1
* Shinsei
* SFU
* Tansei
* 1
* 2
* 3
* 4
* Tasuki
* Tsubasa
* USERS

|

In operation|

* Ajisai
* Reimei
* SDS-4
* Tsubame
* RAPIS-1

Planned|

* BEAK
* ETS-IX
* G-SATELLITE
* SERVIS-3
* Small Demonstration Satellite
* 2
* 3

Canceled|

* PETSAT
* SmartSat-1

Human spaceflight|

| Completed|

* H-II Transfer Vehicle
* 1
* 2
* 3
* 4
* 5
* 6
* 7

|

In operation|

* H-II Transfer Vehicle
* 8
* International Space Station (ISS) & Kibo123456

Planned|

* H-II Transfer Vehicle
* 9
* X1
* Lunar Gateway1245

Cancelled|

* Fuji crewed spacecraft
* HOPE-X

Lunar and
planetary exploration|

| Completed|

* Hayabusa
* Hiten
* Kaguya (SELENE)
* Sakigake
* Suisei

|

In operation|

* Akatsuki
* BepiColombo (MMO/Mio)2
* Hayabusa2

Failed|

* Nozomi
* PROCYON
* Shin'en

Planned|

* Comet Interceptor2
* DESTINY+
* EQUULEUS
* HERACLES24
* JUICE2
* Mars Terahertz Microsatellite
* MELOS
* MMX
* OMOTENASHI
* SLIM

Cancelled|

* Lunar-A
* SELENE-2

Proposed|

* OKEANOS

Private
miniaturized satellites|

| Completed|

* CosMoz
* CUTE
* 1.7+APD
* Fuji
* 1
* 2
* Hayato
* HIT-SAT
* Kagayaki
* Kanta-kun (WEOS)
* Kūkai
* Maido-1
* Negai☆″
* Niwaka
* RAIKO
* Waseda-SAT2
* WE WISH

|

In operation|

* CUTE
* 1
* 1.7+APDII
* Fuji-3
* Hitomi
* Horyu
* 2
* Kiseki
* PROITERES
* Raijin
* RISING-2
* SEEDS
* SOCRATES
* XI
* IV
* V

Planned|

* DRUMS
* QSAT-EOS
* SOMESAT
* SPROUT
* TSUBAME
* WNI satellite

Reconnaissance|

| Completed|

* IGS-Optical
* 1
* 2
* Experimentally 3
* IGS-Radar
* 1
* 2

|

In operation|

* IGS-Optical
* 3
* 4
* 5
* 6
* Experimentally 5
* IGS-Rader
* 3
* 4
* Spare
* 5
* 6

Planned|

* IGS-Optical
* 7
* 8
* IGS-Rader
* 7
* 8

* Italics indicates projects in development.
* Superscripts indicate joint development with1NASA, 2ESA, 3ASI, 4CSA, 5RKA, 6AEB and 7INPE.

* v
* t
* e

Public-sector space agencies

Africa|

| Pan-African
and pan-Arab|

* RASCOM
* Arabsat

|

National|

* ASAL
* EgSA
* NARSS
* ESSTI
* GSSTC
* KSA
* NASRDA
* SANSA

Americas|

| North America|

* CSA
* NASA
* NESDIS
* OSC
* FAA/AST
* FCC
* USSF
* USSPACECOM
* NRO

|

Latin America
and the Caribbean|

* ALCE
* AEM
* CONAE
* ABE
* AEB
* DCTA
* INPE
* ITA
* CCE
* ABAE
* IVIC

Asia|

| Pan-Asian|

* APSCO

|

Central Asia|

* KazCosmos1
* Roscosmos1
* SRI
* VK
* TNSA1

East Asia|

* CNSA
* SASTIND
* CASC
* CALT
* CAST
* CCF
* CGWIC
* PLAASF
* CASIC
* JAXA
* ISAS
* JSS
* NICT
* NATA
* KASA
* KARI
* KASI
* SaTReC
* TASA

South Asia|

* SPARRSO
* ISRO2
* Antrix Corp
* DoS
* NRSC
* NSIL
* DSA
* SUPARCO

Southeast Asia|

* BRIN
* ORPA
* INASA
* MYSA
* PhilSA
* SSTL
* GISTDA
* VNSC

West Asia|

* ArmCosmos1
* MAKA1
* NSSA
* NEHSA
* ISA
* ISRC
* ISA
* NCSR
* SSA
* KACST-SRI
* SSA2
* GORS
* TUA
* TÜBİTAK UZAY
* UAESA (MBRSC)

Europe|

| Pan-European|

* CEN/CENELEC
* CEPT
* ETSI
* Eurocontrol
* ECAC
* ESA
* ECSS
* ESTEC
* EAC
* ESRIN
* ECSAT
* ESAC
* ESOC
* ESTRACK
* Guiana Space Centre
* EUMETSAT
* EUTELSAT IGO
* ESO

|

EU and EEA|

* DG DEFIS
* EUSPA
* EU SatCen
* EASA
* BEREC
* ALR2
* BELSPO
* BIRA-IASB
* SRTI2
* CSO2
* DTU Space
* ESO1
* CNES2
* AAE
* CdE
* DLR2
* HSA
* HSO2
* ASI
* LSA
* LSO1
* SRON
* NSO
* NOSA
* POLSA2
* CBK PAN
* UKE
* KRRiT
* ORO
* ULC
* PTSPACE
* ROSA2
* INTA
* AEC
* EAE
* AEE
* SNSA

Other|

* ArmCosmos1
* MAKA1
* BSA1
* KazCosmos1
* Roscosmos1
* SRI
* VVKO
* SSO
* TUA
* TÜBİTAK UZAY
* SSAU1
* UKSA2

Oceania|

* ASA
* CSIRO
* NZSA

World|

* CCSDS
* CEOS
* COSPAR
* IPDA
* Cospas-Sarsat
* GEO
* GSC
* IADC
* ICSMD
* IMSO
* ISECG
* ISS MCB
* ITSO
* Intersputnik
* ODCWG
* ITU-R
* UNCOPUOS
* UNOOSA
* UNOSAT

Former|

* BNSC
* KCST
* INCOSPAR
* LAPAN
* NAL
* NASDA
* SSP
* MOM
* Interkosmos

* See also: Timeline of first orbital launches by country
* 1 Preceded by the Soviet space program
* 2 Preceded by Interkosmos participation

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