Overview

STK (Systems Tool Kit) is a leading commercial off-the-shelf (COTS) analysis software for space missions, developed by AGI (now Ansys).

Basic Information

• License: Commercial (Free academic license available)
• Source: AGI / Ansys
• Official Docs: https://www.agi.com/products/stk

Key Features

• Orbit design with Astrogator module
• Communication link and coverage analysis
• Attitude simulation and sensor analysis
• Deep space mission design

Use Cases

• Deep space mission simulation and constellation design
• Communication window and sensor coverage analysis
• Earth-Moon L1/L2 transfer and Halo orbit design

Official Resources

• Website: https://www.agi.com/products/stk
• Academic program: https://www.agi.com/pages/academic