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Ansys Satellite Toolkit (STK)

STK has been a leading solution in the industry since the 1980s taking the largest market share. Great choice for industry veterans and expert users. Rich in functionality but complex to use with steep learning curve and highest price-tag in the market.

$12k+

per user/month*
Simulation in real-time and faster
True scale, photo-realistic environment
Synthetic Data Generation for ML
HIL/SIL functionality out of the box
Easily Python scriptable
Matlab & Simulink integration
Orbit and Maneuver Visualizations
Mission Design Capabilities

Mission Design Simulator (MDS)

Up-to-date simulations software which is affordable, easy to use, runs in real-time, compatible with Matlab & Python and capable of simulating complex mission scenarios including rendezvous proximity operations (RPO) and docking.

$2.3k

per user/month
Simulation in real-time and faster
True scale, photo-realistic environment
Synthetic Data Generation for ML
HIL/SIL functionality out of the box
Easily Python scriptable
Matlab & Simulink integration
Orbit and Maneuver Visualizations
Mission Design Capabilities
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FOR STARTUP/UNIVERSITY

a.i. Solutions FreeFlyer

Another prominent commercial is off-the-shelf software for space mission analysis and design. It is priced lower than STK and offers a more user-friendly interface, but its proprietary scripting language requires additional effort to fully leverage its capabilities.

$6k+

per user/month*
Simulation in real-time and faster
True scale, photo-realistic environment
Synthetic Data Generation for ML
HIL/SIL functionality out of the box
Easily Python scriptable
Matlab & Simulink integration
Orbit and Maneuver Visualizations
Mission Design Capabilities
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