Is it hard to get an article published in a journal as an undergraduate?
I would imagine that your best bet is to talk to a faculty member about it. Find a faculty member who is also interested in the topic. They can probably give you good advice on this and may even be interested in co-authoring the paper with you (which is probably more realistic as an undergrad), and honestly going this route wouldn't be too bad for you since your name would then be associated with an expert on the subject, giving you more credibility.

One thing I've learned in college is that if you have an idea, talking to a faculty member about it can get you a lot of opportunities. And if you talk to someone and they can't help you, they can almost always refer you to someone else who can be of help.