Simplify the following text for a Grade 10 native English-speaking person.
Original: He worked in the Observatoire Royal de Belgique ( Belgian Royal Observatory ) , situated in the town of Uccle ( after which the asteroid 1276 Ucclia is named ) .
Simplified: He worked in the Observatoire Royal de Belgique ( Belgian Royal Observatory ) , located in the town of Uccle ( which was used to name 1276 Ucclia ) .