2021-10-06, 12:32 AM
Obligatory Expanse joke: it must have been covered in Martian stealth tech, like the others thrown towards Earth 
JPL says the closest approach was at 0.00028 AU, that's 41,887km, quite close. And that's Earth center to asteroid center, that's 35,516km from the Earth surface!
JPL says the closest approach was at 0.00028 AU, that's 41,887km, quite close. And that's Earth center to asteroid center, that's 35,516km from the Earth surface!