Could Asteroid 2024 YR4 Strike Earth in 2032? Assessing the Real Risk

Scott Manley examines the potential threat of asteroid 2024 YR4, which carries a 2.3% probability of impacting Earth in 2032. While the odds favor a miss, the uncertainty surrounding its trajectory highlights the limitations of current tracking and the potential for planetary defense missions like DART.

Asteroid 2024 YR4 presents a collision risk estimated at 2.3% for the year 2032. An impact of this nature would likely release energy comparable to a multi-megaton nuclear weapon, though it would not result in a global catastrophe. The primary challenge lies in the observation window; the object is expected to become too faint for current instruments to track by April, leaving a gap in data until 2028.

Because of this observation gap, the perceived risk may fluctuate before it is fully resolved. This situation serves as a practical test case for planetary defense capabilities, specifically the technologies demonstrated by the DART mission. While the current data suggests a high likelihood of a miss, the inability to confirm the trajectory immediately underscores the complexities of near-Earth object monitoring.

Source: Asteroid Impact In 2032 - What Are The Chances? What Can We Do?