Comet Passing Earth 2025. Comet 45p will come closest to earth on the morning of saturday, feb. On april 1, the comet will pass by earth at a distance of about 13 million miles (0.14 astronomical units), or 55 times the distance from earth to the moon;
The last time the comet was spotted was 50,000 years ago. A potentially spectacular comet will fly by earth next year.