I would like some suggestions. I need quite a few.

Thinking of a space based game???
You got my interest!!!
Standard for uninhabited worlds is
StarName Number
IE: Sol 3 (Earth)

Here are a few pointers:
https://en.wikipedia.org/wiki/Planets_in_science_fiction Several links to other articles...
http://www.scifiideas.com/planet-generator/ This one generates a random name with planet details...

I really love this name generator site: http://fantasynamegenerators.com/planet_names.php#.WHmPivkrL4Y

I use it for most of the MMORPG's I play. =)