Basically, for me in career mode I can't see the ascending or descending nodes in map view in a couple of scenarios:
If the game is paused, no node arrows under any circumstances. I guess pausing the game also pauses this calculation, or the UI at least.
I do not get any arrows if the spot on my orbit that I start hovering my mouse over is directly in front of Droo. I guess having my mouse also over Droo causes some sort of interaction between the click-box for the planet and the hover-over effect for the ascending descending node overlay.
Link to my discord comment for this bug, with video in following comment:
https://discord.com/channels/502985828507844623/570416065964933141/1070759033608360016