9912 Donizetti, provisional designation 2078 T-3, is a stony Rafita asteroid from the central regions of the asteroid belt, approximately 7 kilometers in diameter. It was discovered during the third Palomar–Leiden Trojan survey in 1977, and named after Italian composer Gaetano Donizetti.
9912 Donizetti is 7 kilometers in diameter.
9912 Donizetti is APPROXIMATELY 7 kilometers in diameter. We don't know for sure.