1930 PB. Discovered 1930 Aug. 3 by E. F. Skvortsov at Simeis.
This planet is named in honor of the late Prof. Alexander D. Dubiago (1903–1959), an eminent astronomer of the USSR. (M 2740)
Name proposed by the Institute of Theoretical Astronomy, Leningrad.
Dubiago is also honored by a lunar crater.