Cutting Corners & Lack of Operational Protocols doomed Japan’s Hitomi Observatory

Details were now shared on the proximate causes of the spacecraft’s loss, highlighting that Hitomi’s fate was sealed by the deliberate disabling of safety systems, a willingness to accept operational risk and a lack of operational protocols for a major change on the spacecraft’s thruster system.

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Japanese Hitomi X-Ray Observatory declared Lost, Post-Mortem Investigation begins

The Japanese Aerospace Exploration Agency has officially declared the Hitomi X-Ray Observatory lost and ceased all attempts to communicate with the stricken spacecraft, marking the untimely end of a mission that promised a great scientific return in the field of high-energy astrophysics.

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