If the person above did their math correctly, a black hole and a star orbiting each other a 1.39 AU would be a problem for planets. Injecting a black hole like

If the person above did their math correctly, a black hole and a star orbiting each other a 1.39 AU would be a problem for planets. Injecting a black hole like that into our solar system would be real trouble for Mercury, Venus, Earth, Mars, probably Jupiter, and Saturn too. The rest might be ok after a long while for their orbits to stabilize.