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MISSION PLAN - PDS Small Bodies Node

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calculations will require more detailed shielding geometries and consideration of long<br />

diagonal path lengths through the sensitive volume of electronic chips.<br />

10 10 10 -5 10 -3 10 -1 10 1 10 3<br />

10 9<br />

10 8<br />

Launch Date : 2/6/1999<br />

Mission: 2536 days<br />

Does not consider RDM<br />

uncertainties.<br />

Total Ionizing Dose (rads)<br />

10 7<br />

10 6<br />

10 5<br />

10 4<br />

10 3<br />

10 2<br />

Spherical Shell Aluminum Shield (mils)<br />

Figure 2.3-3 Radiation Dose vs Shield Depth (Spherical Aluminum Shell)<br />

34

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