| Name (Status) | Flights | Flight Name | Launch | Landing | Position | |
|---|---|---|---|---|---|---|
| Akiyama, Toyohiro (Former Cosmonaut) |
M | 1 | Soyuz TM-11 | December 2, 1990 | December 10, 1990 | Commercial Cosmonaut (Kosmoreporter Mission) |
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| Doi, Takao (Former Astronaut) |
M | 2 | STS-87 | November 19, 1997 | December 5, 1997 | Mission Specialist 3 |
| STS-123 | March 11, 2008 | March 27, 2008 | Mission Specialist 3 | |||
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| Hoshide, Akihiko (Current Astronaut) |
M | 1 | STS-124 | May 31, 2008 | June 14, 2008 | Mission Specialist 4 |
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| Mohri, Mamoru (Former Astronaut) |
M | 2 | STS-47 | September 12, 1992 | September 20, 1992 | Payload Specialist 1 |
| STS-99 | February 11, 2000 | February 22, 2000 | Mission Specialist 4 | |||
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| Mukai, Chiaki (Current Astronaut) |
F | 2 | STS-65 | July 8, 1994 | July 23, 1994 | Payload Specialist 1 |
| STS-95 | October 29, 1998 | November 7, 1998 | Payload Specialist 1 | |||
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| Noguchi, Soichi (Current Astronaut) |
M | 2 | STS-114 | July 26, 2005 | August 9, 2005 | Mission Specialist 1 |
| ISS Crew 22/23 | December 20, 2009 (Soyuz TMA-17) |
May 31, 2010 (Soyuz TMA-17) |
ISS 22/23 Flight Engineer 5 | |||
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| Wakata, Koichi (Current Astronaut) |
M | 3 | STS-72 | January 11, 1996 | January 20, 1996 | Mission Specialist 3 |
| STS-92 | October 11, 2000 | October 24, 2000 | Mission Specialist 5 | |||
| ISS Crew 18 | March 15, 2009 (STS-119) |
July 31, 2009 (STS-127) |
ISS 18 Flight Engineer 2 | |||
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| Yamazaki (nee Sumino), Naoko (Current Astronaut) |
F | 1 | STS-131 (Scheduled) |
April 2010 | April 2010 | Mission Specialist |
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| No Flights | ||||||
| Enomoto, Daisuke (Former Cosmonaut) |
M | 0 | Soyuz TMA-9 | Replaced by Anousheh Ansari |
2006 Space Adventures Group Selected in 200? - Retired on August 21, 2006 |
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| Furukawa, Satoshi (Current Astronaut) |
M | 0 | Soyuz TMA-17 | Backup Astronaut to Soichi Noguchi |
NASDA Group 4 - Selected on February 10, 1999 | |
| Soyuz TMA-20 | Backup Astronaut to Paolo Nespoli |
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| Kanai, Norishige (Current Astronaut) |
M | 0 | JAXA Group 5 - Selected on September 8, 2009 | |||
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| Kikuchi, Ryoko (Former Cosmonaut) |
F | 0 | Soyuz TM-11 | Backup Cosmonaut to Toyohiro Akiyama |
1989 Commercial Cosmonaut Group Selected on September 18, 1989 - Retired on December 10, 1990 |
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| Kishigami, Yunichi (Cosmonaut Candidate) |
M | 0 | 1985 NASDA Cosmonaut Candidate Group | |||
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| Ohira, Yoshinobu (Cosmonaut Candidate) |
M | 0 | 1985 NASDA Cosmonaut Candidate Group | |||
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| Onishi, Takuya (Current Astronaut) |
M | 0 | JAXA Group 5 - Selected on February 25, 2009 | |||
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| Uchida, Tateki (Cosmonaut Candidate) |
M | 0 | 1985 NASDA Cosmonaut Candidate Group | |||
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| Yagi, Tetsya (Cosmonaut Candidate) |
M | 0 | 1985 NASDA Cosmonaut Candidate Group | |||
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| Yui, Kimiya (Current Astronaut) |
M | 0 | JAXA Group 5 - Selected on February 25, 2009 | |||
Return to the Astronaut/Cosmonaut by Country Index
Updated - February 18, 2010