you can access some of the curves for frequency for asteroid spawn in the factoriopedia, accessible by alt clicking any tile and then searching for asteroid, to find the "routes" pages which is not super easy to find if you don't know it's there :

10-23-2024, 12-06-06.png

You could also measure ...

Had issues with a RAM stick that started failing with uncorrectable errors. Got replaced and haven't had a single BSOD since. Anything I can do manually to the save file to weed out parts that are triggering the bug?

Got a save game chain that worked on 2.0.32, that now won't load anymore in 2.0.39 and 42. The load bar progresses, then a "running entity setup" bar appears and the game crashes with (full log file linked below):
31.833 Error ElectricEnergySource.cpp:613: Invalid owner type
31.833 Error ...