2521 P-L. Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld at Palomar.

Named in honor of Peter van de Kamp {1901–1995}, director of Sproul Observatory from 1937 until 1972, well known for his investigations on astrometric binary stars. (M 5038)

Obituaries published in Phys. Today, Vol. 48, No. 8, p. 70–71 (1995); Bull. Am. Astron. Soc., Vol. 27, No. 4, p. 1483–1484 (1995); Publ. Astron. Soc. Pac., Vol. 108, No. 725, p. 556–559 (1996).