Table_2-Europa_Environment_Characteristics.pdf

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JPL Descent Camera for the Europa Lander Mission Request for Information (RFI)
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MD-17-11
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Table 2-Europa Environmental Characteristics

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Pre-decisional Information – For Planning and Discussion Purposes Only

Solicitation No. MD-17-11

Table 2: Europa Environment Characteristics

Europa Environment [2] Value Comments

Radiation – Total Ionizing Dose 1.5 Mrad(Si) Behind 100 mil of Aluminum shielding

(RDF x1)

Radiation – Displacement Damage

Dose

3.2E9 MeV/g-

Si

Behind 100 mil of Aluminum shielding

(RDF x1)

Radiation – Electron Flux at

Europa

~600 mrad(Si)/s

Behind 100 mil of Aluminum shielding

(RDF x1)

Radiation – Peak Average

Electron Flux

5.1E6 cm-2s-1 Integral Flux for Energies E=10 MeV and higher (RDF x1)

Radiation Design Factor (global shielding)

RDF x2

Radiation Design Factor (local shielding)

RDF x3

Surface Albedo 0.6 Average over visible, at 5.2 AU

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