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University of Colorado Boulder vía Coursera
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Spacecraft Formation Flying and Control Capstone Project

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  • Introduction to the Capstone Project
    • Welcome to the capstone project of the course sequence on spacecraft formation flying dynamics and control.
  • Long-Range Approach
    • In this module we study how to use a Hohmann transfer to maneuver a servicer spacecraft close to a space debris object. The debris is in a circular orbit with a different radius. Here we study how much fuel such a maneuver will take, the required phasing angle, as well as look at the final maneuver trajectory motion as seen by the chief LVLH frame to determine the smallest miss distance to the debris object.
  • Approaching the Debris Object
    • Here we investigate slowly approaching the debris object. We start with a basic drifting orbit and then look at a safety spiral about the debris object.
  • Relative Motion Control Relative to a Tumbling Debris Object
    • Next we are ready to begin our final approach to the debris object. Sadly, the debris object is not holding a steady attitude, but rather it is tumbling. This complicates are final approach as we must control our relative to the debris body-fixed frame to ensure we approach the debris grappling point without colliding in it. What fun!