Satellite Tool Kit Products

ANALYTICAL GRAPHICS' family of products includes our core application, Satellite Tool Kit (STK)^® and modules designed to work with it. The STK suite is the leading commercial off-the-shelf (COTS) satellite systems analysis software for the space industry.

Satellite Tool Kit and its modules are easy to learn and use. Designed by experienced analysts, they offer broad and powerful analysis functions to meet the needs of any aerospace mission. STK 4.0 is a robust, powerful software tool available free on this website.

STK's modules extend its flexibility and intuitive potential. Additional STK Modules provide a wide variety of special tools that integrate seamlessly with STK to form the finest satellite systems analysis software available.