JPL Small-Body Database Browser: 4942 Munroe (1987 DU6). 4942 Munroe Discovered 1987 Feb. 24 by H. Debehogne at the European Southern Observatory. Randall Munroe (b. 1984) is a former NASA roboticist and the author of xkcd, a popular webcomic various themes including science, mathematics technology and computer science. -...