Night of the Comet Movie Trailer

NIGHT OF THE COMET starring Catherine Mary Stewart, Robert Beltran, and Kelli Maroney. Survivors of a comet try to survive as a passing COMET has turned most people into either dust or zombies.

Night of the Comet is a popular cult film, and 80s film, Also in horror/sci-fi, valley girls and zombie apocalypse niches. Maybe this was a precursor to interstellar objects 3I/ATLAS and Oumuamua.