Answered my own question, Use Hexplorer to search for the planet you want to modify the class of, scroll down until you see the planet name twice in the right hand column. Shortly after the hex string that corresponds with the planet names in the right hand column is the planet class in hex. Modify this to change the planet class. In this case, 0E
BTW, if anyone knows if how to change planet sizes or make uninhabitable planets habitable, please let me know. Cheers.
OK, updating this a bit for what I've found with TA/Ultimate. This is a tile with nothing on it. 803F000000000000000000FFFFFFFF00000000000000000000 Tiles with a building will have a longer string, just ignore those. The part we are interested in is after the first set of F's 803F000000000000000000FFFFFFFF 00000000000000000000 This is what we replace to get a bonus. So replacing all the 0's
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