Sedna, space probes?, colonies? what's next?

10b before
2100.

Er, 10 billion isn't double 6 billion.

Close enough as makes no nevermind. The error is only 16%.

[thank you for the link]


Unless of course it crashes before then.

So in other words you don't know it will get there

No, but if it does crash, that will be because of some near-final catastrophe
between now and 2100. A world in which the P has crashed, is probably one
without a desirable future. So we have to assume it won't.