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Lunar Reconnaissance Orbiter Mission Operations Review (MOR ...

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LRO Open Risks<br />

LRO Risk: <strong>Mission</strong> Critical Event – Initial Sun Acquisition Risk ID: LROP-123*<br />

Rank Risk Statement Approach & Plan Comments/Status<br />

5 If: LRO fails to acquire the sun<br />

before the battery is discharged<br />

Then: the mission may be lost.<br />

M<br />

Watch:<br />

Detailed reliability and mission success<br />

analysis will be applied to all mission<br />

elements, including ground operations, for<br />

this phase of the mission. The results of<br />

these analyses will be used to define<br />

mitigations that will be implemented in<br />

hardware and operational planning.<br />

In Progress:<br />

Oct 06: If we fail to acquire the sun, analysis shows that we have<br />

an additional 2 hours before battery reaches 40% State of<br />

Charge. Nominal ground contact in

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