This story starts in space but might end right in your backyard. Somewhere out in the vast black, an asteroid named 2024 YR4 is tumbling through the void, minding its own business. Or maybe not. Because for the first time in human history, astronomers around the world have activated planetary defense protocols in response to an asteroid that, if things go just wrong enough, might leave a city-sized crater where something important used to be.
Now, before you start panic-buying survival kits and canned beans, let’s talk about odds, because numbers always tell the best stories. And in this one, Earth is sitting at the roulette table of the cosmos, waiting to see where the ball lands.
What Are the Odds?
Scientists originally gave YR4 a 3% chance of hitting Earth—that’s roughly the same odds as betting on a single number in roulette and winning. That’s right, if you’ve ever watched a casino gambler drop it all on lucky 17 and actually hit, you’ve witnessed something almost as rare as an asteroid impact.
But let’s say we’re unlucky, and YR4 does decide Earth looks like a good place to crash. Where would it hit?
- 29% chance it strikes land—roughly the odds of rolling a 6-sided die and not getting a 1 or 2.
- 71% chance it splashes into the ocean, which sounds like a lucky break until you remember that tsunamis exist.
Now, let’s raise the stakes. What if it hits land? Will it land smack in the middle of a city?
- That’s only about a 3% chance—same as hitting a single-number roulette bet again, twice in a row.
- The odds of it striking a major city are down to 0.87%—about 1 in 115, or about the same as pulling four aces in a row from a shuffled deck.
What Happens If We Lose the Bet?
Let’s say the universe has a sense of humor, and YR4 actually hits a populated area. The impact could be equivalent to an 8-megaton explosion—500 times more powerful than the Hiroshima bomb. A city in its path would be completely vaporized in a 3 km radius, while third-degree burns could extend up to 26 km. If it lands in a densely populated area like Mumbai, we could be looking at 6 million casualties.
Not the kind of jackpot you want to hit.
So, Can We Stop It?
Hollywood has taught us that when an asteroid comes knocking, we call in Bruce Willis, train some oil drillers, and nuke the thing into oblivion. But in reality, stopping an asteroid isn’t as simple as launching a few missiles and hoping for the best. Our real options?
- Kinetic Impactor – Basically, smash a spacecraft into it and hope the impact nudges it off course. NASA tested this with the DART mission, which successfully shifted an asteroid’s orbit.
- Nuclear Detonation – A last-resort method where a nuke is detonated near the asteroid, vaporizing part of it and pushing it off course.
- Laser Ablation – A sci-fi-sounding but plausible method where a high-powered laser slowly changes the asteroid’s trajectory by vaporizing its surface.
- Gravity Tractor – Parking a heavy spacecraft near the asteroid and using gravitational pull to shift its orbit—a slow but reliable method if we have years to act.
The problem? These plans take time, money, and cooperation—three things humanity isn’t exactly known for handling well in crisis mode.
Are We Actually Going to Do Anything?
Right now, the official response to YR4 is “wait and see.” Scientists are gathering data, refining models, and hoping that when we get a better picture in 2028, the asteroid will decide to take the scenic route past Earth instead of through it.
But history has a way of teaching lessons too late. If YR4 does turn out to be on a collision course, will we act in time? Or will we wait until it’s too late—bickering over budgets while a 90-meter rock barrels toward us at 33,500 mph?
One country isn’t waiting around. China has already announced a planetary defense program, with plans for a kinetic impact mission by 2030. If YR4 turns out to be a real threat, they might just be the ones to step in while everyone else argues over who should pay for it.
Final Thought: The Age of Folly
Mark Twain once said, “Courage is resistance to fear, mastery of fear—not absence of fear.”
We are at a crossroads. Humanity is capable of predicting, planning, and acting, but history suggests we tend to ignore problems until they punch us in the face. This is what I call the Age of Folly—where we have the tools to prevent disaster but are too distracted by politics, profits, and procrastination to use them.
In terms of its celestial dance, 2024 YR4 completes an orbit around the Sun approximately every 4.05 years. After its initial discovery, it made a close approach to Earth on December 25, 2024, and is slated for another near-Earth rendezvous around December 17, 2028.
If YR4 is a false alarm this time, we’ll all breathe a sigh of relief and go back to our daily lives. But what about the next one? Because there will be a next one in 4years. The universe isn’t done rolling the dice.
So the real question isn’t “Will YR4 hit?” It’s “Will we learn from it before it does again?”