Asteroids named after people called Eckehard
(20512) Rothenberg
Eckehard Rothenberg (b. 1938) is technical director of the Archenhold Observatory in Berlin-Treptow and in the past leader of a youth study group there. Many of the group's former members (including the discoverer) are today active amateur and professional astronomers and owe him for a considerable share of their knowledge.Discovered 10 September 1999 by A. Knofel, Drebach