When and where can Asteroid 2024 YR4 hit the Earth? Possible impact locations & effects explained

Astronomers have been closely monitoring Asteroid 2024 YR4, a fast-moving celestial body that could pose a potential threat to Earth.

If it were to impact, the asteroid traveling at a staggering speed of 38,028 miles (61,200 kilometers) per hour could unleash an explosion equivalent to eight million tons of TNT, or 500 times the power of the Hiroshima atomic bomb.

While the probability of impact remains uncertain, experts are already evaluating potential consequences and planetary defense strategies.

Asteroid 2024 YR4: The Potential Impact Scenario

If 2024 YR4 were to hit Earth, the most likely outcome would be an airburst explosion in the atmosphere rather than a direct surface impact.

According to Dr. Richard J. Wilman of Durham University, a comparable event in recorded history is the Tunguska explosion of 1908, which leveled 2,000 square kilometers of Siberian forest, as mentioned in a report by Forbes.

Possible Impact Locations & Effects

According to calculations by the International Asteroid Warning Network (IAWN), if Asteroid 2024 YR4 does collide with Earth, it would happen on December 22, 2032, with the impact risk zone stretching across:

• The Eastern Pacific Ocean
• Northern South America
• The Atlantic Ocean
• Africa
• The Arabian Sea
• South Asia

If it explodes in the atmosphere, it could result in localized destruction similar to Tunguska or even trigger tsunamis if the blast occurs over an ocean.

However, should it strike a desert or explode over open waters, its effects might be minimal.

Can We Send a Spacecraft to Deflect Asteroid 2024 YR4?

Efforts to redirect hazardous asteroids have been in motion for years. In 2022, NASA successfully tested planetary defense technology with the Double Asteroid Redirection Test (DART), impacting asteroid Dimorphos and altering its orbit.

Challenges in Deflecting 2024 YR4

While a similar mission could theoretically be launched against 2024 YR4, experts caution that its composition is unknown.

If the asteroid is made of loosely bound rubble, a kinetic impact could break it into multiple unpredictable fragments, making the situation even more dangerous.

Luca Conversi, NEO Coordination Centre Manager at the European Space Agency, warns that such an approach carries significant risks, as per the Forbes report.

Instead of a single 40–50 meter rock, we could end up with multiple, uncontrollable smaller pieces, complicating efforts to prevent a disaster.

Why We Can’t Fire a Nuclear Bomb at Asteroid 2024 YR4

One proposed solution in popular culture is nuclear deflection. However, experts dismiss this as both impractical and dangerous.

Conversi explains that nuclear weapons have never been tested in space for planetary defense, making their effectiveness uncertain.

Geopolitical & Safety Concerns

Beyond technical challenges, launching a nuclear device into space comes with significant political implications.

If a nuclear-armed mission were to fail, it could detonate in Earth’s upper atmosphere, posing unforeseen threats.

Unlike an experimental DART-style impact, the failure of a nuclear interception could lead to global diplomatic crises and unintended consequences.

FAQs:

What will happen if 2024 YR4 hits Earth?

According to Wired, an impact more likely an airburst explosion in Earth's atmosphere would release energy equivalent to eight million tons of TNT, roughly 500 times the strength of the atomic bomb dropped on Hiroshima.

Is an asteroid going to hit Earth in 2024?

Scientists estimate a two percent chance of impact for the asteroid, which measures between 40 and 100 meters wide. If it collides with Earth, it could cause city-scale devastation. Traveling at 38,000 mph, it has the potential to pierce the Earth's crust.