Knowing the crime and morale of a planet help, but are not going to perfectly tell you how much money you will make. There are a lot of different factors involved.
There are 1 sure-fire way to get the crime rate and morale of a planet. Own a city (any city) on the planet.
There is one way to estimate
crime rate and morale, and that is to scout it out, recording every building and use the equations on the Rules page to crunch the numbers yourself. However, if the tax rate has been changed, the numbers will be off, possibly by quite a bit.
“Ultimately I won't know how good a facilities income is going to be until I've actually built it? ”
Well, there is one other thing you could try...
find someone else that owns, preferably, a tavern (or whatever you plan on building) on the planet. See if they would be willing to tell you how much they make.