That looks pretty.
One of our problems is that our scale is so ridiculous, the sizes so unbelievable, that our eyes won't accept an accurate rendition.
I've been working with even smaller numbers that this, but just try it to see what I mean. You don't have to post the results.
Diameter of outer circumference, 11110 feet.
Diameter of inner circumference, 10410 feet.
Width of inner and outer bands, 500 feet.
It will look impossibly thin and delicate.
Looks are often very deceiving. With carbon nanotubes, the dimensions you provided would be plenty strong.