Questions tagged [stk-agi]

STK is the Systems Tool Kit (former Satellite Tool Kit) software from Analytical Graphs Inc. (AGI). Questions about STK usage, functionality, applications and features should have this tag.

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Using astrogator in STK to separate 2 satellites using atmospheric drag

So I can do an initial separation using Astrogator by using different areas. What I need to do now is to define a distance and at that distance the area that the satellites are propagating changes. ...
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1answer
156 views

SGP4 on Systems Tool Kit (STK); how to check if SDP4 deep space correction is implemented?

I am doing orbit propagation for a geostationary satellite which requires the deep space corrections of SDP4. See my previous question SGP 4 for Geostationary Satellite. I am using SGP4 on STK, but, ...
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1answer
95 views

How can I edit the STK report output?

I have been dealing for a while on a report which is generated by STK. It contains basically time, azimuth, elevation and range data. Besides those data I need to also generate the theta and phi ...
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1answer
74 views

Create a sensor in STK [closed]

how do I create a Sensor object which has a Rectangular 100x100 deg field of view? Note, this is the actual field of view; Rectangular Sensors are defined in STK by vertical and horizontal half-angles....
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0answers
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multiple launch by Astrogator [closed]

I want to launch 24 satellites in group of 3 by use of STK Astrogator. How should I do it?? I changed the epoch, raan and true anomaly but I could not make it. thanks for your help
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1answer
236 views

STK 11.2: perform a low-thrust optimal transfer

I'm using STK 11.2 to find a minimum-time finite transfer between two coplanar orbits. The first orbit is circular and has a radius 7000km, the second orbit has a <...
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1answer
306 views

STK - Create a scanning sensor

I need a tool to create a scanning-type sensor. On STK you can only select a spinning-type sensor. I found one guy who made this sensor on STK but I don't know how. The information below the linked ...
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2answers
361 views

STK Astrogator Earth Flyby

TLDR: How do you set up an EEV maneuver, specifically, how do you go from an earth orbit to a heliocentric orbit with a periapsis within Venus’s orbit in astrogator? I know the theory but astrogator ...
2
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1answer
256 views

Model vehicle separation on STK Astrogator?

I am trying to model a multi-stage lunar mission with STK Astrogator. The vehicle separation happens after the first Trans Lunar Injection Burn. I've been trying to figure out how to arrange the ...
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1answer
145 views

STK SGP4 for Geostationary Satellite

I am using SGP4 propagator in STK to propagate my GEO satellite. SGP4 need TLE as an input. In TLE, I found the inclination of my satellite is 0.048. But the inclination result of SGP4 is 0.15. The ...
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1answer
189 views

STK Computation of DUT1

DUT1 is defined by Wikipedia as follows: The time correction DUT1 (sometimes also written DUT) is the difference between Universal Time (UT1), which is defined by Earth's rotation, and Coordinated ...
3
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1answer
814 views

Generating TLEs with STK Using SGP4 Propagator;

STK has two methods for generating TLEs; Trajectory Sampling method and Single Point method. I have read the differences both of them at http://help.agi.com/stk/index.htm#stk/tools-10.htm but I am ...
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1answer
428 views

Saving STK Scenario from Python app

I'm working with Python and STK integration. I need to build scenarios and save them, the problem is that I cannot find any saving example on AGI's documentation. Here is a starting point: ...
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1answer
919 views

True Anomaly of Circular Orbit

How would you calculate the true anomaly of a circular orbit (e=0)? I'm trying to design an orbit for a mission on STK and so I'm not sure what the eccentric anomaly (in order to calculate true ...