Would BB gun injure cat from 50 ft. away?

Ok, so I and my friend were shooting BB guns today. While we were shooting into a cluster of really tall weeds, my neighbor's cat darted out of the weeds and then sat down after he had reached a safe distance from where we were aiming. He didn't seem to limp or anything, but I am pretty sure I hit it. At the very least, it was pretty darn close. My gun is about 700 FPS (I think) and my friend’s was about 600 FPS. He was using BBs and I was using pointed pellets. I am really freaked out that the cat is injured and my neighbor will sue me or something. We were about 40-60 ft. away...is there a possibility that the cat’s skin was penetrated? I noticed a wet spot on the ground, but I couldn’t tell if it was blood or not.