Every few weeks, space reminds us that Earth is not floating alone in a quiet, empty neighbourhood. It is moving through a busy cosmic highway, surrounded by rocks, dust, and ancient leftovers from the
birth of the solar system. Most of the time, these objects pass by quietly, unnoticed by anyone except astronomers staring at screens filled with numbers and orbital charts. But every now and then, one of these space rocks is large enough, fast enough, and close enough to catch public attention. That is exactly what is happening again, this time with an asteroid known as 2023 XM15.According to tracking data released by NASA, this airplane-sized asteroid will make a close approach to Earth on January 7, 2026, at 08:42 AM IST. While it will not collide with our planet, its size, speed, and proximity are enough to make it worth watching closely.And yes, before the question even forms, scientists say there is no danger. But that does not mean the flyby is unimportant.Asteroid 2023 XM15 DetailsAsteroid 2023 XM15 measures roughly 160 feet across, making it comparable in size to a large commercial aircraft. That may not sound enormous when compared to skyscrapers or mountains, but in space terms, this is a serious chunk of rock.To put it another way, it is roughly the length of a cricket pitch plus the boundary rope.This asteroid will pass Earth at a distance of approximately 5.82 million kilometres. That is more than 15 times the average distance between Earth and the Moon, which sits about 384,000 kilometres away. While that gap may feel comfortably large, astronomers still classify this as a “close approach” in cosmic terms.Why? Because space is vast. Millions of kilometres are normal. Anything that comes within a few million kilometres of Earth automatically earns extra attention.How Fast Is It Moving?Asteroid 2023 XM15 is travelling at roughly 24,802 kilometres per hour. That is fast enough to cross India from north to south in under ten minutes. At that speed, even a relatively small asteroid carries an enormous amount of energy.This is why scientists focus not just on size, but also velocity. A slower asteroid might burn up harmlessly in the atmosphere. A faster one can behave very differently.Thankfully, in this case, the trajectory is well understood, and the asteroid will remain far outside Earth’s atmosphere.Is Asteroid 2023 XM15 Dangerous?This is the question everyone asks first, and rightly so.The short answer is no.NASA classifies asteroids as “potentially hazardous” only if two conditions are met:The asteroid is larger than 460 feet (140 metres)It passes within 7.5 million kilometres of Earth
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