Which is why one could useOriginally posted by RainOfSteel:
I personally prefer "aligned" space-delimited layouts, myself.
This makes it far easier to transport the data across platforms.
Comma/Tab delimited will do in a pinch.
The main problem with starsystem data in the OTU UWP is, that it's mainworld-centric. The real center of the starsystem, in OTU terms, is the Hex it's in (Primary Key in a Galaxy layout would be Sector X,Y plus Hex Col,Row), and the star and companion stars in that Hex. Worlds (mainworld or non-mainworld) are details hanging off their stars, not the other way around. Or, at least, that's IMO.
Drat, work calls <pesky salary need thingamagigit />
SecAbr.Hex#.Or#.Sat# mode for a huge text database.
For Ex
SpMa.0303.3.0 for the world in orbit 3 of the system in hex 0303 of the Spinward Marches, and
SpMa.0303.3.2 for same world's third moon.
I like text formats to be human readable, too.. it makes figuring out what the stuff is easier, and allows partial recovery in case of lost clusters.