These objects are tracked and are NOT on a collision course with Earth. “If it hits” is a hypothetical to show scale.
Risk timeline

How 2026 LS1’s impact odds moved as astronomers refined its orbit.

Impact probability is not a fixed fact. It moves as astronomers gather more observations and shrink an object’s orbit. Almost always, the trend is down.

Impact probability over time
Hover an event to read what happened.
0%1%2%3%0.009%06-13
2026-06-130.009%

First snapshot

Timeline of events
These objects are tracked and are NOT on a collision course with Earth. “If it hits” is a hypothetical to show scale. The figures here are shown as the system reported them at the time.

Data: NASA/JPL CNEOS · ESA NEOCC · IAU MPC.