Welcome to FreeFlyer!

FreeFlyer is Commercial off-the-shelf (COTS) software that solves both simple and complex astrodynamic problems. Whether you need to perform an analysis on nominal spacecraft operations such as determining station contacts, or your analysis pertains to more complex operations such as maneuver planning or orbit determination, FreeFlyer provides the ibility and accuracy necessary to meet the stringent requirements of today's aerospace industry.

This help file is designed with both the beginning and advanced user in mind. Our goal is to provide you with an indispensable resource that will help you take full advantage of FreeFlyer's capabilities. In the event that you cannot find your answer here, please contact our world-class technical support team.

FreeFlyer Technical Support

Available Monday through Friday, 8AM to 6PM Eastern Standard Time (EST).

FreeFlyer Licensing

Available Monday through Friday, 8AM to 6PM Eastern Standard Time (EST).

FreeFlyer User Forum

Dedicated website with a discussion board for users all over the world to learn about FreeFlyer from FreeFlyer team members and each other. FreeFlyer users can ask questions about the tool or engage in conversations with other users in the forum.

Last updated on: 9/5/2025

More Information

•What's New in FreeFlyer?

•FreeFlyer Features Overview

•FreeFlyer Features List

•System Requirements

•Installing FreeFlyer

•Licensing Options