The Asteroid Tracker lists near-Earth asteroids making close approaches to Earth, straight from NASA/JPL close-approach data. See each one's estimated size, relative speed, how close it passes in lunar distances, and when. Anything passing inside the Moon's orbit is flagged. Free, no sign-up.
Live snapshot · As of 12 Oct 2026, 11 near-Earth asteroids are due to pass within 10 lunar distances of Earth over the next 7 days. Source: NASA/JPL CNEOS.
These are close approaches, not impacts. Each asteroid's orbit is known and it passes by at a computed distance. This is for curiosity, not hazard warnings — for authoritative information see NASA CNEOS.
Open it and the upcoming close approaches load — no account, no key.
Pick how far ahead to look (7, 30 or 60 days) and how close an approach must be to appear — from within 1 lunar distance to within 20. The list updates from the live NASA/JPL feed.
Every row shows the asteroid's designation, an estimated size, its relative speed, the miss distance in lunar distances and kilometres, and the date of closest approach.
Any asteroid passing inside the Moon's orbit (under 1 lunar distance) is flagged. These are still harmless flybys — just unusually close. Then follow the ISS overhead.