The investigation into the anomaly that caused New Horizons to enter “safe mode” on July 4 has concluded that no hardware or software fault occurred on the spacecraft. The underlying cause of the incident was a hard-to-detect timing flaw in the spacecraft command sequence that occurred during an operation to prepare for the close flyby. No similar operations are planned for the remainder of the Pluto encounter.
NASA’s New Horizons Plans July 7 Return to Normal Science Operations | NASA
昨日「セーフモード」に入っていて心配されていた、冥王星探査機「ニューホライズン」。復旧に成功。
接近時の操作時に発生したタイミング問題が原因と判明し、似たような作業はないので大丈夫だろうとのこと。
