If the sun is always in the same place it is easy to figure out how far you are away from the center. If the planet is so lucky to have a dipolar magnetic field you can get a 2-d position, and it would be easier than being on Earth because you don't need an accurate clock the way you do on Earth:

https://www.destination-innovation.com/john-harrison-the-mas...

… assuming of course you can see the sun which might be trouble when you get sunwards (too many clouds)