Asteroid 2023 DW made a splash last week, as it zoomed to the top of NASA and European Space Agency danger lists, with a 1-in-560 chance it would come crashing into the Earth in the year 2046. But now 2023 DW is old news, and 2023 DZ2 — which will pass between the Earth and the Moon this Friday — is being worked up for its 1-in-430 chance of impact in 2026.
