Table 3:

Planck temperature rangesa$\!$.

Element
$T_{\rm min}$ (K) $T_{\rm max}$ (K)
Solar cells 378 382
Service module radiators 251 290
Sorption cooler warm radiator (active control) 262 280
Multi-layer insulation on Solar array 304 316
Multi-layer insulation on top of service module 198 287
Lower V-groove 111.9 152.6
Middle V-groove 76.4 91.6
Top V-groove 43.7 49.1
Sorption cooler interface on Top V-groove 44 (red.) 45.3 (nom.)
Primary reflector panel 38.3 43.8
Primary reflector 39.8 41.5
Secondary reflector 42.9 43.2
Baffle 42.3 44.0

Notes. (a) For each element listed, the min and max temperatures correspond to the coldest and warmest node in a thermal finite element model which has been correlated to the results of ground tests, when the model is run in a flight-like environment.


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