https://app.diagrams.net/#G1bZl0nDES1wepMFTB9-95f0sBF0rQHryO

Known

• Orbit Propagator → in progress (SGP4 + Universal)
  • Inputs: TLE (CDH) with timestamp (once per day, standard)
  • Output: Propagates orbit for certain amount of time

• Kalman Filter Estimator

Unknown

• Radiation Hardened RTC
  • RTC → Real Time Computer/Controller?
• Current operational mode
  • 180 deg maneuver thingy
  • With respect to nadir or local vertical/horizontal frame
  • Instability at high angles (PID), switch frame of refence?
• De-saturation?
  • How often per orbit
  • How much stress on magnetorquers
  • Matlab/Simulink sims to determine power pulsing rate (slew rate)