Named in honor of Karl-Ontjes Groeneveld {1935– }, a well-known physicist at the Institut für Kernphysik, Frankfurt-am-Main, and a brother of one of the discoverers. (M 7471) _ _.
Avastatud: 24-9-1960 Avastamiskoht: Palomar Avastajad: van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.