CUTE-1.7 + APD Operator Tokyo Institute of Technology Mission type Technology development Satellite of Earth Launch date February 21, 2006 Launch vehicle M-5 rocket Launch site Uchinoura Space Center Mission duration 0.2 years Homepage  Mass 3 kg Orbital elements Inclination 98.19 degrees Apoapsis 712 km Periapsis 299 km Orbital period 94.72 minutes Instruments Main instruments APD (An avalanche photodiode for monitoring charged particles flux in low-Earth orbit )
CUTE-1.7 + APD (Cubical Tokyo Tech Engineering satellite 1.7) or CO-56 (Cubesat-Oscar-56) is an amateur radio nanosatellite in the form of a double CubeSat. The satellite uses commercial off-the-shelf components extensively, in particular, using the Hitachi NPD-20JWL PDA as a control computer, and using a USB hub for sensor communications. At the end of its mission, the satellite will deploy an electrodynamic tether to help it deorbit.
Cute-1.7 + APD II
Cute-1.7 + APD II Operator Tokyo Institute of Technology Mission type Technology development Satellite of Earth Launch date April 28, 2008 Launch vehicle Polar Satellite Launch Vehicle Homepage 
The follow-on project, CUTE-1.7 + APD II, has a similar architecture. It launched on 28 April 2008 along with nine other satellites aboard an Indian Polar Satellite Launch Vehicle.
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