Space rocks passing close to Earth and the Moon often raise concerns. Recently, scientists were watching one such asteroid called 2024 YR4, which earlier calculations suggested might have a small chance of hitting the Moon in 2032. However, new observations have now cleared the doubt. Researchers say the asteroid will safely pass by the Moon and will not collide with it.
New telescope observations changed the picture Scientists were able to update the asteroid’s path using fresh data from the James Webb Space Telescope. With these observations, experts at NASA recalculated the asteroid’s orbit and confirmed that it will not strike the Moon on December 22, 2032. Instead, the asteroid will pass at a distance of about 13,200 miles (around 21,200 kilometres) from the Moon. In space terms, that distance means the object will move past without any danger of impact. Researchers also clarified that the asteroid’s path itself has not actually changed. The latest update simply reflects more accurate calculations based on better data. Earlier estimates suggested a small risk Before the new observations were added, early models had shown a 4.3 percent chance that the asteroid might collide with the Moon. Such early estimates are common when scientists first discover an object in space.
At that stage, the asteroid’s exact path is still uncertain because there are only limited observations available. As more telescope data is collected, scientists refine their calculations and improve their predictions. Also read: OpenAI launches GPT-5.4 model that doesn’t just answer questions but actually handle system
Webb telescope captured extremely faint images The new observations were made by a team led by the Johns Hopkins Applied Physics Laboratory. They used the powerful capabilities of the James Webb telescope to capture two extremely faint images of the asteroid. Detecting the asteroid was not easy. Since spring 2025, the object has been difficult to observe from Earth or from most space telescopes. This makes Webb’s detection one of the faintest asteroid observations ever recorded. How the asteroid was first discovered Asteroid 2024 YR4 was first detected in late 2024 by the Asteroid Terrestrial-impact Last Alert System station in Chile. The project scans the sky to find objects that could potentially pose a risk to Earth. Early calculations in 2025 suggested the asteroid might have a small chance of hitting Earth.
But as astronomers around the world collected more data, the models improved, and scientists concluded that there is no real threat to Earth either. In fact, current predictions show that the asteroid will not pose any meaningful risk to Earth for at least the next century. Also read: Fraudster dupes Chandigarh woman of ₹80,000 in name of refund
Why are these updates normal in space monitoring Scientists say such revisions are a normal part of planetary defense research. When an asteroid is first discovered, its orbit is calculated using limited data. As more observations become available, the models become more precise, and the predicted path gets refined. This is why early risk estimates sometimes change over time. In this case, the new data has helped researchers confidently confirm that the Moon and Earth are safe from asteroid 2024 YR4.
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