Named in honor of Sidney van den Bergh (1929– ), Dutch-born Canadian astronomer, former director of the Dominion Astrophysical Observatory in Victoria, B.C. He was president of IAU commission 50 from 1985 to 1988 and a vice president of the IAU during 1976–1982. (M 18307) _ _.
Discovered on 19-9-1973 in Palomar by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.