A car-sized asteroid is approaching Earth for a close flyby later tonight, according to Space.com. The space object was discovered just three days before its planned close approach to our planet, demonstrating the rapid timeline between detection and encounter for smaller asteroids.

Technical details about the asteroid's size, trajectory, and exact closest approach distance were not specified in the available reporting. The object has been classified as car-sized, suggesting it falls within the typical range of small near-Earth asteroids that regularly pass by our planet.

The timeline shows the asteroid's discovery occurred only three days before tonight's flyby, which is characteristic of smaller space objects that are often detected shortly before their closest approach. This brief detection window reflects the challenges astronomers face in cataloging the numerous small asteroids in Earth's vicinity.

The significance of this flyby lies in its demonstration of Earth's dynamic cosmic environment and the continuous stream of small objects passing near our planet. Such close approaches by recently discovered asteroids underscore ongoing efforts to improve detection systems for near-Earth objects, though this particular asteroid poses no threat to Earth.

While larger, potentially hazardous asteroids are typically tracked years in advance, smaller objects like this car-sized asteroid often remain undetected until days before their closest approach, highlighting both the frequency of such encounters and the limitations of current detection capabilities.