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ITF-1, also known as Yui, was an amateur radio cubesat built by Tsukuba University of Japan.
 | This article needs additional citations for verification. (January 2015) |
| Mission type | Amateur radio |
|---|---|
| Operator | Tsukuba University |
| COSPAR ID | 2014-009B |
| SATCAT no. | 39573 |
| Website | yui.kz.tsukuba.ac.jp |
| Spacecraft properties | |
| Spacecraft type | 1U CubeSat |
| Manufacturer | Tsukuba University |
| Launch mass | 1.3 kilograms (2.9 lb) |
| Start of mission | |
| Launch date | 27 February 2014, 18:37 UTC[1] |
| Rocket | H-IIA 202 |
| Launch site | Tanegashima Yoshinobu 1 |
| Contractor | Mitsubishi |
| End of mission | |
| Decay date | 29 June 2014 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 382 kilometres (237 mi) |
| Apogee altitude | 391 kilometres (243 mi) |
| Inclination | 65 degrees |
| Period | 92.28 minutes |
| Epoch | 28 February 2014[2] |
It had a size of 100x100x100mm (without antenna) and was built around a standard 1U cubesat bus. The satellite's primary purpose was the raising awareness of space by providing an easily decoded signal to amateur radio receivers. ITF-1's mission was unsuccessful; no signal from the spacecraft was ever received, and it reentered Earth's atmosphere on 29 June 2014.
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