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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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
58 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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2answers
140 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 ...
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1answer
88 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
130 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 ...
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1answer
50 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, ...
2
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1answer
291 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 ...
3
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1answer
231 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: ...