The Japanese Satellite is also referred to as ASTRO-H, and was successfully launched on February 17, 2016.
Slightly a month after the machine had been successfully launched, the calamity struck on March 26th.
High energy particles may have disrupted the onboard electronics.
After that, you might guess what might have happened.
Several parts, ranging from solar sails, started coming off.
In total, at least 5 pieces were observed in addition to the main body.
The primary function of hitomi was to study hard X-ray sources in the Universe.
source: www.techworm.net