Henk Olthof (b. 1944), a Dutch astronomer from Groningen has worked on many space projects of the European Space Agency. From 2002 to 2010 he chaired the Royal Netherlands Society for Meteorology and Astronomy, contributing with success to the promotion of astronomy outside professional circles.
Discovered on 30-9-1973 in Palomar by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.