Near-Earth Objects
The Apollo family of Earth-crossing asteroids has a few hundreds of known members
1968: Icarus came within 6,000,000 km
in the 1990s: 4 asteroids have come within 200,000 km (the moon is 384,000 km away)
2027 Aug-07 08:07 UT: object 1999 AN10 predicted within 150,000 km; collision remotely possible
2028 Oct 26 06:14 UT: object 1997 XF11 predicted within 951,000 km; no collision