Thermal Subsystem

Function

Maintain Spacecraft Components within Temperature Limits

Design Features

• Passive with Multilayer Insulation Augmented by Electrical Heaters
• Temperature Control during Aerobraking Driving Design
• Heaters Controlled by Electronic Thermal Controllers Similar to MO
• Multilayer Insulation Materials Selected to Accommodate Aerobraking Temperatures
• Louvers Used to Minimize Heater Power, Maintain Temperature, and Adapt to Seasonal Changes

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Flight Software Subsystem

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