The second small payload mounted on the adapter for release on this mission if HORYU 2 – a microsatellite dedicated to the High Voltage Technology Demonstration Satellite Program. The spacecraft was developed by the students of Kyushu Institute of Technology. It is 35x31x31.5 centimeters in dimensions and weighs about 7.1 Kilograms. The prime Mission Objective of the payload is to generate 300 Volts of photovoltaic power in space which has never been done before. The Satellite will be placed in a 680 Kilometer Orbit inclined 98.2 Degrees where it will operate for about one year. The spacecraft is outfitted with a camera for Earth Observation and outreach purposes. During its flight, 5 parallel strings of 4 series connected dual junction GaAs solar cells will be used to make technical demonstrations. Several sensors will gather data on Solar Cell Voltage and Current, Battery Voltage and Current, Temperature and angular velocity. A debris sensor will also demonstrate debris observation capabilities.