It's way better than a lot of girl names (
Kaylee? Emersyn?). I think it's neat. I even think it is better than
Nova by a significant margin.
I would spell it Jovie because it just looks more complete, more modern, and more exotic ... and less
Jon Bon Jovi. It does slightly remind me of
Jove. But I guess jovial comes from that. You could go for something that looks more formal as a full name - Joviane maybe, or even just Jovia.
- mirfak