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I'm wondering how to design a graph in NASA's GMAT (Version R2022a), which shows satellite's linear velocity on time or on altitude from primary body (Earth). When I open the XYplot design window -> Selected Y I can't find the satellite's property - velocity, which I'm looking for. Maybe the velocity in the Object Properties window has a fancy shortcut, or a strange name..?

Does anyone know, what's the velocity's name in the Object Properties window, or how to find it?

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    $\begingroup$ I'm not a GMAT user, but is there a "state vector" option? (e.g. $[\mathbf{x}, \mathbf{y}, \mathbf{z}, \mathbf{v_x}, \mathbf{v_y}, \mathbf{v_z}]$) $\endgroup$
    – uhoh
    Commented Jan 6 at 16:11
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    $\begingroup$ Thanks @uhoh, I've found the state vectors you've mentioned, in GMAT they're called VY,VX,VZ in the Object Properties list. Using separate VX and VY functions, the graph is kind of too complex for the task. Still would prefer a simpler, single function linear speed (I've made a mistake in my question, speed would be better than velocity in my case) graph, but that's already something. Thank you again ;) $\endgroup$
    – Asni
    Commented Jan 6 at 20:05
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    $\begingroup$ @phil1008, that is exactly the case, I have posted as a guest and created an account later $\endgroup$
    – Asni
    Commented Jan 8 at 10:59
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    $\begingroup$ @PIasni 1) When we use @username in a comment, it generates a message to that person letting them know you replied. But although we sometimes use it in question and answer posts, it has no effect there. From the main meta's Community FAQ see How do comment @replies work? 2) there's a standard procedure to merge your two accounts see this answer to How can one link / merge / combine / associate two accounts / users? $\endgroup$
    – uhoh
    Commented Jan 8 at 21:26

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You should find the VMAG property in the list, which can then be linked to a coordinate system below the Object Properties window :)

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