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The CTIM-FD (Compact Total Irradiance Monitor Flight Demonstration) is a 6U CubeSat technology demonstration mission of a next-generation Compact Total Irradiance Monitor that will help to provide an understanding of Earth’s climate change by the University of Colorado at Boulder.

Incoming radiant energy from the sun is measured as the total solar irradiance, which is a natural factor that changes our climate (also called a climate forcing). Total solar irradiance has been measured from space by a 40-year, uninterrupted sequence of instruments. CTIM will allow measurements to be made with the same accuracy and long-term stability while using a much smaller instrument.

It was selected in 2019 by NASA's CubeSat Launch Initiative (CSLI) to be launched as part of the ELaNa program.

Nation: USA
Type / Application: Technology
Operator: University of Colorado at Boulder
Contractors: University of Colorado at Boulder
Configuration: CubeSat (xU)
Power: Solar cells, batteries
Mass: x kg
Satellite COSPAR Date LS Launch Vehicle Remarks
CTIM-FD - 202x (via NASA ELaNa program) with ?