Asteroids named after people called Detlef
(21686) Koschny
Aerospace engineer Detlef Koschny (b. 1962) is a member of the Rosetta Project Scientists' Team of the European Space Research and Technology Center of the European Space Agency. He is also an active amateur astronomer and works on the subject of ground-based observations of meteors with intensified video cameras.Discovered 11 September 1999 by A. Knofel, Drebach