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Kepler Mission Manager Update
February 7, 2011
 

The Kepler project team has recovered spacecraft from its Safe Mode event that occurred on Feb. 1, 2011. The spacecraft returned to science data collection after an outage of 64 hours. The likely cause was corrupt star tracker data that resulted in a false momentum alarm on the spacecraft. Fault protection software reacted properly in making the spacecraft safe until the project engineers could contact the spacecraft and review telemetry. An anomaly response team will continue to evaluate the telemetry to understand the root cause of the corrupt star tracker data and develop further mitigations.

While conducting recovery of the spacecraft from the Safe Mode event, the project downloaded science data from the spacecraft's solid state recorder that was collected since Jan. 6. That data is now being routed to the Kepler Science Operations Center where it will be processed for the science team's evaluation. The team is making plans for the next science data collection download and spacecraft quarterly roll.

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Page Last Updated: July 28th, 2013
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