MDS-1
None
Mission Demonstration Satellite 1 ( MDS-1 ) or Tsubasa (COSPAR 2002-003A, SATCAT 27367) was a Japanese technology test mission . It was launched by the second H-2A on February 4, 2002 from the Tanegashima Space Center . After the launch, MDS-1 was renamed Tsubasa, meaning wings in Japanese . [1] Tsubasa was placed in a geostationary transfer orbit (GTO). It ended its operational phase on 26 February 2003. [2] A similar mission, MDS-2, was cancelled. [3]
The purpose of the mission was to test the performance of commercial off-the-shelf components, including solar batteries , semiconductors and computers . [1] [2] MDS-1 also carried instrumentation to observe how changes in the environment as the satellite passed through the Van Allen radiation belts affected the performance of each component. Among these instruments were a dosimeter using radiation-sensitive field effect transistors , [4] a magnetometer , and a device for tracking heavy ions . [5] During the mission, MDS-1 tracked the occurrence of single event upsets (SEU), finding the majority occurred while passing the inner belt during solar maximum and were likely caused by high energy protons. [6] The whole weight of the satellite was 480 kg. [1]
References
- 1 2 3 "MDS-1 – NSSDC Master Catalog" . nssdc.gsfc.nasa.gov . NSSDC . Retrieved 7 January 2019 . This article incorporates text from this source, which is in the public domain .
- 1 2 "JAXA | Mission Demonstration test Satellite-1 "TSUBASA" (MDS-1)" . jaxa.jp . JAXA. Archived from the original on 29 May 2013 . Retrieved 7 January 2019 .
- ↑ "MDS 2" . space.skyrocket.de . Gunter's Space Page . Retrieved 7 January 2019 .
- ↑ Kimoto, Y.; Koshiishi, H.; Matsumoto, H.; Goka, T. (December 2003). "Total dose orbital data by dosimeter onboard tsubasa (mds-1) satellite". IEEE Transactions on Nuclear Science . 50 (6): 2301–2306. Bibcode : 2003ITNS...50.2301K . doi : 10.1109/TNS.2003.821399 .
- ↑ Koshiishi, H.; Matsumoto, H.; Kimoto, Y.; Liu, H.; Goka, T. (2002). "Space Environment Data Acquisition Equipment Board Mission Demonstration Test Satellite-1". COSPAR Colloqui Series . COSPAR Colloquia Series. 14 : 369–371. doi : 10.1016/S0964-2749(02)80184-6 . ISBN 9780080441108 .
- ↑ Koshiishi, H.; Matsumoto, H.; Goka, T. (November 2008). "Single-event upset in geostationary transfer orbit during solar-activity maximum period measured by the Tsubasa satellite". Advances in Space Research . 42 (9): 1500–1503. Bibcode : 2008AdSpR..42.1500K . doi : 10.1016/j.asr.2007.11.026 .
Astronomical
observation |
|
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Communications
,
broadcasting and navigation |
|
||||||||||||
Earth observation |
|
||||||||||||
Engineering tests |
|
||||||||||||
Human spaceflight |
|
||||||||||||
Lunar
and
planetary exploration |
|
||||||||||||
Private
miniaturized satellites |
|
||||||||||||
Reconnaissance |
|
||||||||||||
January | |
---|---|
February | |
March | |
April | |
May | |
June | |
July | |
August | |
September | |
October | |
November | |
December |
|
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ).
Cubesats
are
smaller
.
Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses). |