Pffft-----I've seen worse!
Being in the big truck glass biz occasionally even I run across something with a high WTF quotient:
Mind you this was from a large bird---I assumed pterodactyl or dragon---turns out it was a wild turkey flying out of a roadside ditch straight into the right side of the single piece windshield. I've seen a few bad hits before but nothing to this level.
Driver was uninjured but understandably shaken up a bit---something like that happen at 65 MPH with full loaded truck would do that. Offending bird never seen again, cleaning up glass bits took longer than replacing the windshield.
The break shown in Mike's OP are typical of a large object typically moving "slowly" as it strikes the glass. While I'd expect that type of break more in the middle of the windshield glass breakage doesn't always follow any real pattern.
Chances are if those cracks have not yet traveled across or down the glass by now they'll be okay until the windshield is changed. As is there's no danger to front seat passengers, whether its changed is a matter of personal preference.
Glad no one was injured in your mishap Mike!