At that size, Orbit Que's world is probably starting to border on being a gas giant...
Orbit Que ........ GFBA489-A BigWorld (6.59 G)
Looking at 2300's minimum molecular weight retained, 30,000km diameter, anything more than 0.5 Earths of density is going to be retaining helium.
It's also far enough out to be methane seas, rather than water (and if density >0.7, there will be no shortage of hydrogen).
And at those pressures, a predominantly hydrogen & helium atmosphere will have the issue of leaking into suits in hours.
10-90K nutballs could be miners working the rings or moons...