Ok. I am an idiot!
I got the probe, rushed to the nearest crash site, 3 jumps away ( I don't have CRCR) I take 5 minutes to locate the damn thing and 5 minutes to land, my canopy is damaged, I fear for my life, I land... and i remember.... Idiot me stormed away to find aliens without an SRV. One time, One time i need that SRV I sold it to replace it with something like a cargo rack.... That's the first time since i bought Horizons that I am without an SRV....
Anyway... I jettisoned the UP next to the crash site, missed it, but then started pushing it with my ship's nose, So i got the UA and UP pretty close, ( like 10 meters or something) but nothing happened. I was on the planet tough.... Maybe you need to be in space. I have embarrassing footage but I don't want to share it