Asteroid (152637) 1997 NC1 will pass Earth at 6.67 lunar distances (about 0.017 AU), or 2.5 million km (1.6 million miles) above Earth’s surface, at 11:16 UTC…
Asteroid 1997 NC1 will fly past Earth at a relative speed of 8.9 km/s (19 900 mph) at 11:16 UTC on June 27 at 6.67 LD (0.017 AU), marking its closest computed approach since before 1600, according to orbital data provided by NASA’s Jet Propulsion Lab... [2056 chars]