High-Resolution Image and Video CubeSat (HiREV): Development of Space Technology Test Platform Using a Low-Cost CubeSat Platform

Table 1

Worst hot/cold temperatures of orbital thermal analysis.

Type	Subsystem	Operating temperature		Worst-case temperatures
		Min	Max	Cold (safe)	Cold	Hot
CDHS	Main OBC	−40	85	17	25	44
EPS	EPS board	−40	85	0	10	28
	Battery	−10	50	0	9	21
COMM	UHF/VHF transceiver	−20	60	−22	−15	−0.5
	S band transmitter	−40	50	−22	−15	−3.5
ADCS	Reaction wheel	−20	60	−11	8	22
	Star tracker	−25	50	−11	18	19
	GPS receiver	−40	85	−9	9	19
	Magnetic torquer	−40	70	−22	−14	2.5
Payload	Lens	—	—	−29	−22	−3.5
	Camera	−40	85	−21	−10	0
	Payload OBC	−40	85	−5	6	32
	Ethernet switch	−40	85	−15	−1	40
Solar panel		—	—	−70	−70	95