Claim: 18880 Toddblumberg, a background asteroid from the outer region of the asteroid belt, was discovered by LINEAR at Lincoln Lab's ETS on 10 December 1999.
Evidence: 18880 Toddblumberg, provisional designation 1999 XM166, is a background asteroid from the outer region of the asteroid belt, approximately 4 kilometers in diameter. It was discovered on 10 December 1999, by LINEAR at the Lincoln Laboratory's Experimental Test Site, near Socorro, New Mexico, United States. 
18880 Toddblumberg LINEAR Lincoln Lab's ETS 10 December 1999 main-belt (outer)
background