| Names | Cubical Tech Engineering-1.7 + Avalanche Photodiode CO-56 (OSCAR 56) |
|---|---|
| Mission type | Technology |
| Operator | Tokyo Institute of Technology |
| COSPAR ID | 2006-005C |
| SATCATno. | 28941 |
| Mission duration | 0.2 years (achieved) |
| Spacecraft properties | |
| Bus | 2UCubeSat |
| Manufacturer | Tokyo Institute of Technology |
| Launch mass | 3 kg (6.6 lb) |
| Dimensions | 20 × 10 × 10 cm (7.9 × 3.9 × 3.9 in) |
| Start of mission | |
| Launch date | 21 February 2006, 21:28:00UTC |
| Rocket | M-V # 8 |
| Launch site | Uchinoura |
| Contractor | IHI AEROSPACE |
| End of mission | |
| Last contact | 16 March 2006 |
| Decay date | 25 October 2009 |
| Orbital parameters | |
| Reference system | Geocentric orbit[1] |
| Regime | Low Earth orbit |
| Perigee altitude | 299 km (186 mi) |
| Apogee altitude | 712 km (442 mi) |
| Inclination | 98.19° |
| Period | 94.72 minutes |
CUTE-1.7 + APD (Cubical Tokyo Tech Engineering satellite 1.7 plus Avalanche Photodiode)[2] orCO-56 (Cubesat-Oscar-56[3]) or justOSCAR 56 was anamateur radio satellite in the form of a doubleCubeSat. The satellite usedcommercial off-the-shelf components extensively, in particular, it used theHitachi NPD-20JWLPDA as a control computer, and it used aUSB hub for sensor communications. At the end of its mission, the satellite was supposed to deploy anelectrodynamic tether to help it deorbit. The satellite failed early into its mission, so the electrodynamic tether experiment probably did not happen. It was launched on February 21, 2006 on board a Japanese launcherM-V.
On 16 March 2006, the communication system malfunctioned so that it was transmittingunmodulatedcarrier wave and unable to communicate.[4] The satellite decayed from orbit on 25 October 2009. A follow-up mission,CUTE-1.7 + APD II, was launched in April 2008 and remains operational.
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