Tags: Spacecraft.
OPUSAT is a tecnology demonstration cubesat. The satellite is build by Osaka Prefecture University (Japan) It has a size of 100x100x100mm (without antennas and solar paddles) and build around a standard 1U cubesat bus. The primary satellite purpose is the space testing of the power system based on Lithium-ion capacitor. The tests were largerly successfull and satellite remain operational as of 14th of April 2014. The OPUSAT is a development successor to UNITEC-1 spacecraft lost in 2010.