There is one way: An EDMC Plugin.I wonder if it's possible to combine this with other technology to allow a commander to show the nearest body that needs a rescan?
It's been done before a few times. The 'Red Star Eliminator' is a little known plugin that points you to the nearest system where EDSM.net is not sure of the coordinates (there's millions of those).
And another favorite plugin of mine is the Canonn plugin, that gives you icons for most valuable planets, and their 'patrol' function shows the nearest point of scientific interest (Guardian sites for instance).
Here's the link for Red Star Eliminator: https://github.com/Thurion/EDSM-RSE-for-EDMC
And the Canonn plugin, an excellent thing for explorers: https://github.com/canonn-science/EDMC-Canonn/wiki
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