1956 RB. Discovered 1956 Sept. 9 by K. Reinmuth and I. Groeneveld at Heidelberg.

Named in honor of Jan Hendrik Oort {1900–1992}, director of the Leiden Observatory 1945–1970, former president of the International Astronomical Union {1958–1961}, and a well-known authority on stellar statistics and galactic structure. (M 3023)

Obituaries published in Mercury, Vol. 21, No. 6, p. 196 (1992); Messenger, No. 70, p. 1–2 (1992); Mon. Notes Astron. Soc. S. Afr., Vol. 51, Nos. 11–12, p. 107–108 (1992); Phys. Today, Vol. 46, No. 11, p. 104–105 (1993); C.R. Acad. Sci., Sér. Gén, Vie Sci., Tome 10, No. 5, p. 535–540 (1993); Bull. Am. Astron. Soc., Vol. 25, No. 4, p. 1499 (1993); Q.J.R. Astron. Soc., Vol. 35, No. 2, p. 237–242 (1994); J. R. Astron. Soc. Can., Vol. 87, No. 2, p. 73–76 (1993); IAU Inf. Bull., No. 69, p. VII (1993); Astronomie, Vol. 107, p. 60–64 (1993); Zenit, Jaarg. 20, Nr. 5, p. 196–210 (1993); Zemlya Vselennaya, No. 2, p. 53–56 (1993); Sky Telesc., Vol. 85, No. 4, p. 44–45 (1993); Int. Astrom. Union Symp., No. 169, p. XV–XVI (1996).