<h1>JACK-001: 3U class CubeSat</h1>
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Dimension: 100 x 100 x 340mm Weight: 3.7kg Satellite bus: OBC, ADCS, Communication, EPS, Payload: EO-Telescope 
 
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&nbsp; Satellite bus 
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OBC: ADCS: 
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Actuators: RW(3 Reaction Wheels), MagneTorquers(XYZ) Sensors: CST(2 Star Trackers), Sun sensor, Earth sensor, Magnetometers, GPS 
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Communication: S-band(2.1GHz), UHF-band(436MHz) EPS: Battery pack(4 x 18650), Solar cells 
 
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&nbsp; Payload option: 
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Telescope(AST-01: 400 ~ 700nm) 
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GSD: 4m@500km Swath width: 10.3km@500km Spectral band: 400 ~ 700nm MTF: &gt;0.2@Nyquist freq. Focal length: 600mm Sensor: pixel 4.8um (2592 x 2048) Dimension: 95 x 95 x 148mm Operational Temp.: -20 ~ +80C
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