1988 PH1. Discovered 1988 Aug. 11 by A. J. Noymer at Siding Spring.

Named in honor of Malcolm Hartley, deputy astronomer in charge of the U.K. Schmidt telescope at Siding Spring, with which this minor planet was discovered. Among his own discoveries are the Amor object 1988 SM and ten comets, eight of which are of short period. (M 18464)