Astrogator FAQs

How Do I Compute a Bent-pipe Chain Coverage?

• Sep 2, 2015
• FAQ

You need to combine data from a Coverage Definition and a Chain.

How to Calculate Eb/(No+Io) for Displaying on the 3D Graphics Window

• Jun 8, 2017
• FAQ

In STK 12.5 and later releases, you can display Eb/(No+Io) and other interference parameters through the Link Information Data Provider. For STK...

What is an 'options' File (.opt)?

• Sep 25, 2015
• FAQ

An options file is a simple text file maintained on the license server, most commonly used to control who can and cannot check out licenses.

How do I Model a Takeoff from an Aircraft Carrier?

• Jun 7, 2017
• FAQ

This article describes how, using Aviator, you can use the STK Vehicle Site and Launch procedure to model a takeoff from an aircraft carrier.

How can I Perform Spacecraft Thermal Analysis Using STK?

• Apr 29, 2020
• FAQ

This article describes how to get the flux values from STK for further analysis in a detailed thermal finite-element analysis.

How do I Find the Descending Side of an Orbit?

• Jan 18, 2016
• FAQ

You can use Analysis Workbench in STK to find the descending side, which is especially important for remote sensing satellites.

How Do I Register a WSC-type Plugin with STK or ODTK?

• Jan 21, 2016
• FAQ

This article walks you through registering a WSC-type plugin with STK or ODTK.

How Do I Define/Configure a Phased Array Radar?

• May 21, 2015
• FAQ

This article provides two options to do this in STK.

Increasing the Thickness of the Line-of-sight Access Line

• Sep 15, 2015
• FAQ

How to use Launch Window tool (CAT) for Missiles?

• Sep 27, 2016
• FAQ

STK includes a powerful calculation for computing conjunctions with Space objects from known (or unknown) missile trajectories

Sun Vector Calculation

• Sep 14, 2020
• FAQ

Why can't STK client find a network license from the license server?

• May 27, 2015
• FAQ

Use this step by step trouble shooting guide to determine why you get the "no license found" message when using a network client license file with STK

How do I add an attach point to a MDL model file?

• May 28, 2015
• FAQ

Edit the model file with a text editor.

Color value property from Matlab COM Interface

• Sep 30, 2015
• FAQ

This article explains what the value returned from a color property through the Matlab COM interface represents. Includes helper function to find...

Where can a custom Central Body file be saved?

• Nov 2, 2016
• FAQ

STK will look for a central body file in specific file locations and in a specific order.

How Do I Exclude an STK License?

• May 28, 2015
• FAQ

There are several ways to exclude an STK license, to provide other users access to a module that is not in use.

Repeating Sun-Synchronous Orbit Stationkeeping with Astrogator Autosequences

• Nov 17, 2021
• How To

Troubleshooting Your STK and Python Integration

• Jul 1, 2020
• FAQ

This troubleshooting guide will help you set up your Python environment to run with STK.

Why Do Area Target "Fill Graphics" Appear Outside of the AreaTarget Boundary?

• May 27, 2015
• FAQ

The automatically computed centroid is therefore outside of the Area Target boundary, so you must move it inside the boundary.

Ansys Licensing Troubleshooting

• Oct 10, 2022
• FAQ

This article provides steps for troubleshooting when the Ansys STK application cannot find a license.