CUTE-1.7 + APD

CUTE-1.7 + APD (Cubical Tokyo Tech Engineering satellite 1.7 plus Avalanche Photodiode)[2] or CO-56 (Cubesat-Oscar-56[3]) or just OSCAR 56 was an amateur radio satellite in the form of a double CubeSat. The satellite used commercial off-the-shelf components extensively, in particular, it used the Hitachi NPD-20JWL PDA as a control computer, and it used a USB hub for sensor communications. At the end of its mission, the satellite was supposed to deploy an electrodynamic tether to help it deorbit. The satellite failed early into its mission, so the electodynamic tether experiment probably did not happen. It was launched on February 21 2006 on board a Japanese launcher M-V.

CUTE-1.7 + APD
Mission typeTechnology
OperatorTokyo Institute of Technology
COSPAR ID2006-005C
SATCAT no.28941
Mission duration0.2 years achieved
Spacecraft properties
Launch mass3 kilograms (6.6 lb)
Start of mission
Launch dateFebruary 21, 2006, 21:28:00 (2006-02-21UTC21:28Z) UTC
RocketM-V
Launch siteUchinoura
End of mission
Last contactMarch 16, 2006 (2006-03-17)
Decay dateOctober 25, 2009
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude299 kilometres (186 mi)
Apogee altitude712 kilometres (442 mi)
Inclination98.19 degrees
Period94.72 minutes
Epoch21 February 2006, 16:28:00 UTC[1]
 

On March 16, 2006, the communication system malfunctioned so that it was transmitting unmodulated carrier 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.

See also

References
  1. "NASA - NSSDCA - Spacecraft - Trajectory Details". nssdc.gsfc.nasa.gov. Retrieved 2018-05-01.
  2. "Cute-1.7 + APD - プロジェクト概要 -". lss.mes.titech.ac.jp. Retrieved 2020-02-13.
  3. "AMSAT News Service Bulletin 071.08". Radio Amateur Satellite Corporation. 2006-03-12. Retrieved 2016-12-11.
  4. Cute-1.7 + APD - NEWS - Cute-1.7+APDの現状ついて


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