Astrogator FAQs

How to Do a 3D Terrain Attitude Analysis with Ground Vehicles in STK

• Dec 18, 2020
• How To

This article explains how to get a ground vehicle to follow the terrain.

"The Program Can't Start Because VCRUNTIME140.dll is Missing"

• Mar 3, 2017
• FAQ

A missing DLL file may prevent the STK License Server from starting.

How to Convert CAD Models for Use in the STK Application

• Dec 31, 2015
• FAQ

These are best practices for converting CAD models for use in the STK Application.

How Do I Create Pointing (Targeted / Scanning / Sweeping / Creeping-line) Sensors in STK?

• Sep 29, 2016
• FAQ

This article shows various methods to create "moving" sensors in STK.

Export Model Pointing Orientation Values

• Sep 2, 2015
• FAQ

This article describes how to report the orientation values of pointing 3D-model elements, such as solar panels on a satellite, in any reference...

Why do I Get a "Class is Not Registered" and/or "Personality Plugin 'STK' Load Failure" Error when Starting STK?

• May 27, 2015
• FAQ

This could result from several different issues. Please refer to the solutions below.

How Does STK Compute Bit Error Rate (BER)?

• May 21, 2015
• FAQ

STK determines the bit error rate either from a lookup table or from a formula based on Eb/No.

How Can I Use MATLAB to Automate a Position, Navigation, and Timing (PNT) Scenario?

• May 22, 2017
• FAQ

This article provides a sample script to demonstrate connecting MATLAB and STK for a PNT scenario.

What is the Reference Frame for AER Reports?

• May 22, 2015
• FAQ

How to Create a TLE File

• Dec 15, 2017
• FAQ

STK has many propagators that generate very accurate and complex orbits. Sometimes you need to represent these extremely dynamic orbits as a single...

Error Starting License Server

• May 10, 2016
• FAQ

This article explains how to prevent this error: "VD is starting, please check vendor daemon's status in debug log". The article applies to those...

Using EOIR Data Providers With STK Analyzer

• May 20, 2022
• FAQ

This article explains how to get EOIR-specific input data into trade study reports for EOIR. You will need to supply the appropriate EOIR predata...

Aviator "Under the Hood"

• Aug 10, 2018
• FAQ

Here are some expert insights into STK's Aviator capability from the AGI developers.

How Can I Add a Reference Line to My Graph in STK?

• Nov 17, 2016
• FAQ

You can use Analysis Workbench to create a scalar calculation and add it to the graph.

What is the difference between YPR and Euler attitude in STK?

• Sep 23, 2015
• FAQ

This is an explanation of the difference between the yaw-pitch-roll (YPR) attitude type and the Euler attitude types in STK. Most people understand...

What are the different ways I can license AGI products? How does each of the license types work?

• May 27, 2015
• FAQ

Where are the 3D Models within AGI's New Website?

• Apr 25, 2017
• FAQ

This article explains where 3D models can be found in AGI's new website.

Procedural description of Volumetric Analysis

• Aug 1, 2016
• FAQ

Volumetric Analysis combines the flexibility of Analysis Workbench with the Spatial Analysis capabilities of Coverage. You can define a variety of...

How to Place a Satellite at a Lagrange Point

• Nov 6, 2019
• FAQ

This is how to place a satellite at any Lagrange point by creating an ephemeris file with the point's coordinates from Analysis Workbench

Is There a FlexNet Alternative to the Ansys License Manager (ALM)?

• Feb 20, 2024
• FAQ

Yes. The Ansys Enterprise License Manager (AELM) is a minimum FlexLM file set that you can run at the command line. This is the best option when...