(274835) Aachen = 2009 QC11
Aachen is a German city, which developed from a Roman settlement and spa.
It was the preferred medieval Imperial residence of Charlemagne. From 936 to
1531, the Aachen Cathedral was the coronation church for thirty German kings.
A complete set of naming citations of the numbered minor planets is available in the Dictionary of Minor Planet Names, edited by Lutz Schmadel.