Major meteor strike (10kt+) in 2026?

As of September 1, 2026, Polymarket prices “Major meteor strike (10kt+) in 2026?” at 11% YES with $204K traded. No tracked wallet holds a position on this market, so there is no verdict.

Prediction markets put the probability at 12%: Major meteor strike (10kt+) in 2026. Currently, markets see this as unlikely (12% YES). To find out, astronomers calculate a meteor’s radiant — the apparent point in the sky from which the fireball originated.

What’s Happening

Trading on the possibility of a major meteor strike (10kt+) in 2026 currently places the probability at 12% YES, reflecting a notable shift in risk assessment following a surge of atmospheric entry events documented this year. According to data compiled by ZME Science, the frequency of large fireballs—objects releasing energy equivalent to at least 10 kilotons of TNT—has increased markedly since early 2026, with multiple events registering on infrasound sensors operated by the Comprehensive Nuclear-Test-Ban Treaty Organization. The analysis points to two distinct celestial clusters as the primary sources: the Anthelion sporadic source, located directly opposite the sun, and a secondary, less-defined region that appears to be feeding debris into Earth’s path. These findings have prompted planetary defense researchers to recalibrate their models, as the observed influx exceeds baseline projections for a typical year. [ZME Science, Mar 27]

The significance of this data lies in its direct correlation with the probability of a major meteor strike (10kt+) in 2026, a threshold that corresponds to an airburst capable of causing localized damage comparable to a small nuclear weapon. The Anthelion source, in particular, is concerning because objects from this direction approach Earth from behind, matching the trajectory of the Chelyabinsk event in 2013, which released roughly 500 kilotons of energy and injured over 1,400 people. While the current 12% YES probability suggests a low likelihood, the clustering of fireball radiants indicates that Earth is currently passing through a denser debris field than previously recognized. Astronomers have mapped at least 14 fireballs exceeding 10 kilotons since January 2026, compared to an average of four to six in prior years, a discrepancy that has yet to be fully explained by seasonal variations or known meteor showers. [ZME Science, Mar 27]

Looking ahead, the key variable is whether the current surge represents a temporary anomaly or a sustained increase in near-Earth object flux. The Anthelion source is active year-round, but its intensity peaks in the second quarter, meaning the next 90 days will be critical for validating the 12% YES probability for a major meteor strike (10kt+) in 2026. Monitoring networks, including NASA’s Center for Near Earth Object Studies and the European Space Agency’s Fireball Camera Network, are prioritizing the mapping of these radiants to refine impact probability models. If the current rate of large fireballs persists through June 2026, the probability could be revised upward, as the statistical window for a 10-kiloton event narrows. Conversely, a return to baseline activity would reinforce the 88% NO position, suggesting the early-year surge was a statistical outlier. The next scheduled update of global fireball data is expected in April 2026, which will provide the first comprehensive assessment of whether this trend is accelerating or subsiding. [ZME Science, Mar 27]

Traded on Polymarket — $204K Volume