WE’RE NOT NOTICING THESE THINGS EARLY ENOUGH: Recently Discovered Asteroid Will Sweep Past Earth at Close Range on May 18 — Here’s What to Know. “NASA’s Jet Propulsion Laboratory estimates that 2026 JH2 is somewhere between 15 meters and 35 meters (50 feet and 115 feet) wide; the higher limit of this estimate would be roughly equivalent to one-third the full length of an American football field.”