A mass of 6x to 7x our sun (size of this object) would start messing with solar system orbits well before it got here. Not that that would be much better for us!
Is this what would happen if we got slurped into a black hole? I was hoping for something more exciting …
Which I am delighted to note, since the last time I referenced it, appears to have fallen out of copyright, so I can link straight to it on Project Gutenberg: https://www.gutenberg.org/cache/epub/51461/pg51461.txt