Tansei

Tansei (Japanese: たんせい) was the second Japanese artificial satellite which was put into orbit, after the country's first satellite Ohsumi.[1] The satellite was sent into orbit on 16 February 1971.[2]

Just like Ohsumi, the launch was a project by the Institute of Space and Astronautical Science at the University of Tokyo (UTokyo). The name of the satellite means "light blue", which is the school colour of UTokyo.[3] Three more satellites with the same name were subsequently launched by the university. The last of them was launched on 17 February 1980.[4]

## References

[edit]

1. ^ Nussbaum, Louis-Frédéric. (2005). "Ōsumi" in Japan Encyclopedia, p. 762.
2. ^ JAXA, "Catalogue of ISAS Missions" Archived 2014-12-31 at the Wayback Machine; retrieved 2012-4-2.
3. ^ "Japan's Satellite Transmits," New York Times. February 18, 1971; retrieved 2012-4-16.
4. ^ "試験衛星「たんせい4」 | 科学衛星・探査機". 宇宙科学研究所 (in Japanese). Retrieved 2024-11-13.

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Japanese space program

* Italics indicates projects in development.
* Symbol † indicates failed projects.
* ~~Strikethrough lines~~ indicate cancelled projects.

Space agencies

| National space agencies|

* JAXA
* former ISAS
* NAL
* NASDA
* NICT
* JSS

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Joint development partners|

*  United States NASA1
* ESA2
*  Italy ASI3
*  Canada CSA4
*  Russia Roscosmos5
*  Brazil AEB6
* INPE7
*  India ISRO8

Astronomical observation

| Past|

* Akari
* ASCA
* ASTRO-E†
* ~~Astro-G~~
* CORSA†
* Ginga
* Hakucho
* HALCA
* Hinotori
* Hitomi†
* ~~SPICA~~
* Suzaku
* Tenma
* Yohkoh

|

Active|

* Hinode
* Hisaki
* XRISM1

Future|

* ATHENA2
* SOLAR-C1
* GREX-PLUS [ja]
* HiZ-GUNDAM [ja]
* LAPYUTA
* LiteBIRD
* Nancy Grace Roman Space Telescope1
* JASMINE

Communications satellites, broadcasting satellites and satellite navigation systems

| Past|

* 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

|

Active|

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

Future|

* DSN
* 3
* QZS
* 5
* 6
* 7

Earth observation

| Past|

* Akebono
* Daichi
* 1
* 3†
* Denpa
* Fuyo-1
* Jikiken
* Kyokko
* Midori
* I
* II
* Momo
* 1
* 1b
* Ohozora
* Taiyo
* TRMM1
* Ume
* 1
* b
* Geotail1

|

Active|

* Aqua1,7
* Arase
* ASNARO
* 1
* 2
* Daichi
* 2
* 4
* EarthCARE2
* GPM1
* Himawari
* Ibuki
* original
* 2
* Shikisai
* Shizuku

Future|

* GOSAT-GW
* PMM

Engineering tests

| Past|

* 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
* RAISE
* 2
* 3†
* ~~PETSAT~~
* RAPIS-1
* Ryusei
* SERVIS-1
* SERVIS-2
* SDS-1
* SFU
* Shinsei
* ~~SmartSat-1~~
* Tansei
* 1
* 2
* 3
* 4
* Tasuki
* Tsubame
* Tsubasa
* USERS

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Active|

* Ajisai
* Reimei
* SDS-4

Future|

* BEAK
* ETS-IX
* G-SATELLITE
* SERVIS-3

Human spaceflight

| Past|

* ~~Fuji crewed spacecraft~~
* ~~HOPE-X~~
* H-II Transfer Vehicle

|

Active|

* International Space Station (ISS) & Japanese Experiment Module (Kibō)1,2,3,4,5,6

Future|

* HTV-X
* Japanese Space Station Module (Mitsui)
* Lunar Gateway1,2,4

Space probes

| The Moon|

| Past|

* Hakuto-R Mission 1†
* Hiten
* ~~Lunar-A~~
* Kaguya (SELENE)
* OMOTENASHI†
* ~~SELENE-2~~
* Smart Lander for Investigating Moon (SLIM)
* Hakuto-R Mission 2†

|

Active|

* EQUULEUS

Future|

* HERACLES2,4
* Lunar Cruiser
* Lunar Polar Exploration Mission8 (LUPEX)
* Yaoki

Others|

| Past|

* Hayabusa
* ~~Hayabusa Mk2~~
* Nozomi†
* PROCYON†
* Sakigake
* Shin'en†
* Suisei

|

Active|

* Akatsuki
* BepiColombo (MMO/Mio)2
* Hayabusa2
* Jupiter Icy Moons Explorer2
* Hera2

Future|

* Comet Interceptor2
* DESTINY+
* Dragonfly1
* MELOS
* Martian Moons eXploration
* Next Generation Small-Body Sample Return
* TEREX

Reconnaissance satellites

| Past|

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

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Active|

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

Future|

* IGS-Optical
* 7
* 8
* IGS-Radar
* 7
* 8

Private small satellites

| Past|

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

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Active|

* CUTE
* 1
* 1.7+APDII
* Fuji-3
* Hitomi
* Hodoyoshi
* 1
* 2
* 3
* 4
* Horyu
* 2
* Kiseki
* PROITERES
* Raijin
* Raijin-2
* SEEDS
* SOCRATES
* XI
* IV
* V

Future|

* DRUMS
* KITSUNE
* OPUSAT-II
* QSAT-EOS
* RSP-01
* SOMESAT
* SpaceTuna1
* SPROUT
* TSUBAME
* WNI satellite

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