Astrogator FAQs

Exporting an STK Ephemeris (.e) in a Custom Coordinate Frame

• May 11, 2021
• FAQ

It is useful to be able to produce an STK-style ephemeris (.e) in a custom Analysis Workbench coordinate frame. The attached UI plugin enables you...

STK Search Track Radar Input Requirements for 12

• Oct 13, 2015
• FAQ

These are the input requirements for modeling a Search/Track Radar in STK 12.

Where Can I Find Terrain and Imagery for Use in STK?

• Mar 14, 2018
• FAQ

STK has several ways to enhance the appearance of the 3D visualization. This article shows some resources available for terrain and imagery...

Real-time Telemetry and Commanding with STK SOLIS

• Jan 2, 2025
• FAQ

This article discusses the structure of the SOLIS framer and how you can receive telemetry and transmit commanding over TCP/IP with STK SOLIS.

How Do I Make My Model Smaller if the Scale is Already at Zero?

• May 21, 2015
• FAQ

Preventing Licenses from Getting Hung on the License Server

• Sep 30, 2015
• FAQ

To prevent a hung license from occurring in the first place, you will need to determine why STK shut down unexpectedly. You can also implement a...

Creating a Simplified Earth in STK

• May 25, 2016
• FAQ

This article provides steps to create a spherical Earth and use a low-fidelity rotation model.

What is the Difference Between Scenario > Earth Temperature and Receiver/Radar > Earth Temperature?

• Apr 27, 2016
• FAQ

Where do I get TLE Information, TLE Supplemental Data, and Other TLE Resources?

• Jul 19, 2016
• FAQ

This article answers the following questions: What is a TLE? How do you add a satellite using a TLE within STK? Where doess the TLE database come...

Extending Missile Analysis with STK and MATLAB

• Jun 9, 2016
• FAQ

Use MATLAB to bring an external missile trajectory into STK and then perform additional analysis.

What are the Differences Among ODTK License Types?

• Jul 28, 2015
• FAQ

For ODTK 7.2 and older, there are three different ODTK license types. ODTK 7.3 and newer has two licenses types. This article explains the...

Can You Use TLEs for Decay / Reentry Estimation?

• Jul 2, 2020
• FAQ

You cannot use TLE and SGP4 propagators alone to predict deorbit times. You must also use additional support tools.

Why is the "Search by Address" Tool Not Finding Results?

• Aug 8, 2017
• FAQ

How Do I Create High-quality, Realistic STK Videos?

• Sep 9, 2015
• FAQ

STK has several features that enable users to create photo-realistic animations. This FAQ provides some resources for how to learn those techniques.

Does STK Support Streaming Terrain and Imagery with Local Data (Offline)?

• Mar 31, 2016
• FAQ

This FAQ discusses the options for streaming local terrain and imagery data.

STK Analyzer Macros

• Nov 19, 2015
• FAQ

This article describes the four basic things that you need to do to create macros for STK's Analyzer capability.

How Can I Specify the Number of Points That STK Uses When Generating a Sensor Pattern?

• May 27, 2015
• FAQ

Network (Floating) License Server Supported OSs and required FLEX version

• Feb 4, 2016
• FAQ

Included is a list of supported OSs to run a license server and required FLEX (license service) you need.

Why am I Getting Access on the Far Side of the Moon?

• Dec 13, 2021
• FAQ

You should set the appropriate obstructing central bodies in the constraints section of your access objects.

How do you calculate the Ground Sample Distance for a sensor object in STK?

• Jun 8, 2016
• FAQ

Set up the Resolution properties for the sensor and use the ConstraintData Data Provider to calculate the Ground Sample Distance (GSD).