I think i found the problem... was something related to Real Solar System. I don't know why it was installed, if it's not listed on SETI main post...
There is any 'ckan list' to install "all seti related things"? I made a clean install yesterday with SETI-Rebalance-List provided on the main post, now it have 51 mods, against 81 of my "problematic instance". But on the "recommended mods" part, there's a lot of mods that weren't installed by this list. (?)
And, what can i use to make visual even prettier/realistic? (didn't noticed any changes at all... maybe it's about configuration...) I see a lot of people making lives/videos with very nice visual effects, and i just can't realize how.