Analytical Graphics

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Analytical Graphics, Inc.
Industry Aerospace, Defence
Founded U.S. (1989)
Headquarters Exton, Pennsylvania, United States
Key people
Paul Graziani

Scott Reynolds
(Chief Software Architect)
Joseph Sheehan
Products Systems Tool Kit (STK)

Analytical Graphics, Inc. (AGI) develops commercial modeling and analysis software for the aerospace, defense and intelligence communities. AGI software is used by more than 50,000 engineers, operators and analysts worldwide.

Founded in 1989, AGI's nearly 200 employees are spread between the international headquarters in Exton, Pennsylvania, with satellite offices in Washington, D.C., Colorado Springs, CO, Long Beach, CA, the UK and Singapore.[1] The current CEO is Paul Graziani.[2]

Product Offerings[edit]

Desktop Tools[edit]

Systems Tool Kit
Engineers and analysts use STK to model and analyze complex systems (aircraft, satellites, ground vehicles, etc.), along with their sensors and communications payloads, in the context of the mission environment. Through integrated visualization, STK brings a clear understanding of the system behavior and performance measured against the mission objectives.

Orbit Determination Tool Kit
ODTK provides orbit determination and analysis support for the entire life cycle of satellite tracking systems. Build with the same verified astrodynamic functions as AGI's STK software suite, ODTK models a wide variety of traditional and cutting-edge tracking and measurement systems. This commercially available patented technology is used in many operational missions, including multi-billion dollar civilian and intelligence systems.

Development and Server Tools[edit]

Software Development Kits AGI's Software Development Kits (SDKs) allow developers to build world-class applications built on top of our proven technology, or extend existing applications with functionality components of the software.

STK Server
STK Server is off-the-shelf server software for creating, managing, and distributing mission models and analytical services over the Web or enterprise networks to support desktop and browser applications. Through dynamically generated web services, end users and application developers can easily incorporate STK models and analysis with any web-service complaint tool.

Cesium is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin. It uses WebGL for hardware-accelerated graphics, is cross-platform and cross-browser compliant, and tuned for dynamic-data visualization.

Noted Divisions[edit]


The Center for Space Standards & Innovation (CSSI) is a division of AGI focused on astrodynamic research. CSSI operates the satellite tracking web site CelesTrak, which includes Satellite Orbital Conjunction Reports Assessing Threatening Encounters in Space (SOCRATES), a twice-daily analysis of the probability of satellite collisions based on publicly available data.[3] Interestingly, SOCRATES did not list the 2009 satellite collision as likely, and expected the two satellites to miss by 584 meters.[4]

Other activities[edit]

AGI has supported the NORAD Tracks Santa program's internet presence from its start in 1997. From 1998 to the present, the NORAD Tracks Santa Website of and the domain name of have been registered to Analytical Graphics, Inc.[5][6][7][8]

Analytical Graphics' STK software is certified by the Space Foundation as a Certified Space Technology™.[9]