Stupid driving mistake??

Hi, this might seem super random, but I made such a stupid driving mistake today! I’m worried I might get a ticket if the person reports it somehow. Basically I was making a U-turn and i was looking and there was a car pretty far behind on the road, but i guess i totally misjudged it because I cut in front of them pretty close. I wanna say it was about a 6 inch distance between us, and they were honking. It was really scary and I felt like such an idiot for doing something so dangerous. Basically, I wanted to know if it would be possible for me to get a ticket if they report what happened and take my license plate number down, even though no cop saw anything. Thank you guys so much! Currently still shaking 🤕