Astrogator FAQs

How to Depict Body Masking Using a Volumetric Object

• Oct 22, 2015
• FAQ

This tutorial describes the steps for creating a spherical grid around an object of interest and displaying the body mask volumetric graphics...

Shifting Focus to a Second Object Within a Single Camera Path

• Mar 20, 2018
• FAQ

Here's an example scenario and explanation of how to shift a camera path to another object within a single camera path.

How can I record a video of my entire STK application or get a picture-in-picture effect?

• Jun 14, 2018
• FAQ

This FAQ describes how to record a video of the entire STK application or accomplish more complex video effects (menus, mouse, multiple windows...

Why Isn't STK Saving the Properties of an Object?

• May 27, 2015
• FAQ

How Does STK Apply Error Control Coding to Communications Link Analyses?

• May 21, 2015
• FAQ

Error Control Coding is included as part of the Demodulation file.

Change User Directory

• Mar 21, 2016
• FAQ

Choose from one of two options.

Ever Wonder Why Some Flights Seem to Fly North When They Do Not Need To?

• Dec 12, 2017
• FAQ

Have you ever been on a long flight and noticed that the path of the airplane seems to be going out of the way toward the North Pole instead of...

How do I set the transparency for a 2D Image or 3D Overlay?

• May 27, 2015
• FAQ

Make the upper left pixel the color you want to make transparent. Typically this is the logo image background color.

Interplanetary Low Thrust Example

• Apr 15, 2019
• FAQ

This describes how to model an interplanetary low-thrust satellite.

Which Refraction Model should I use for detecting space objects?

• Feb 28, 2017
• FAQ

This article provides references for deciding on a refraction model for the detection of space objects, including a customer use case of STK to...

Output Local Time of Ascending Node (LTAN)

• Mar 21, 2016
• FAQ

How to Use Nested Scheduled Vectors to Point to a Prioritized List of Targets

• Jun 30, 2023
• How To

You can create nested scheduled vectors in Analysis Workbench to generate a simple, priority-based tracking schedule in STK.

How to Use Texture Maps in EOIR

• Apr 25, 2017
• How To

This is an advanced feature of STK's EOIR capability tool. In this article, you will use a custom texture map file within your STK scenario using...

Using GIS Data Shapefiles as 3D Window Map Details

• Jan 21, 2022
• How To

This article highlights a hidden feature that enables you to use shapefiles as map details (coastlines, country borders, etc.) as items that you...

How to compute Earthshine intensity

• Apr 12, 2021
• How To

This article describes a method to compute Earthshine (sunlight reflected off Earth) intensity on a lunar satellite.

What is the Difference Between Mean and Osculating Elements?

• Jul 14, 2016
• FAQ

Here is an explanation of the difference between Mean and Osculating elements.

How do I use my own 3D model in STK?

• Mar 18, 2015
• FAQ

Where Can I Find Archived or Historical TLE Data?

• Jun 25, 2018
• How To

Set the dates and STK does it for you, or download the files from agi.com. This article describes three methods for obtaining and using TLEs in...

How Do I Load Terrain into a Scenario and Process it for Visualization?

• Sep 1, 2016
• FAQ

This article applies to any of the STK-supported terrain formats.

How to Calculate When an STK Object (satellite) is Within a Volume

• Jan 28, 2019
• How To

This article describes how to calculate when an STK Object (satellite) is within a volume. The method uses the Volumetric object and the Grid...