Cool story about an Earth Coorbital Asteroid that's been corkscrewing around our planet for some time.
News flash: Earth has a "second
moon." Asteroid 2003 YN107 is looping around our planet
once a year. Measuring only 20 meters across, the asteroid
is too small to see with the unaided eye—but it is there.
..."2003
YN107 arrived in 1999," says Paul Chodas of NASA's Near
Earth Object Program at JPL, "and it's been corkscrewing
around Earth ever since." Because the asteroid is so
small and poses no threat, it has attracted little public
attention. But Chodas and other experts have been monitoring
it. "It's a very curious object," he says.
3:34:16 PM 
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