アメリカ変光星観測者協会
8900 AAVSO, provisional designation "", is a stony background asteroid from the central region of the asteroid belt, approximately 5.5 kilometers in diameter. It was discovered by American amateur astronomer Dennis di Cicco at the U.S Sudbury Observatory , Massachusetts, on 24 October 1995. The asteroid was named after the American Association of Variable Star Observers (AAVSO).