Systems Tool Kit (STK)
Orbit Determination Tool Kit (ODTK)
Test and Evaluation Tool Kit (TETK)
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Jeff Baxter shows how to quickly create constellations of satellites in Systems Tool Kit (STK).
Modeling and simulation software for digital mission engineering and systems analysis.
Design and operate satellite systems with specialized propagators, attitude profiles, and satellite engineering tools.
Model and simulate satellites and their subsystems.