Latinization of Jungfraujoch, at 3572 m, the site of the highest astronomical observatory in the Swiss Alps. (5369)=(2040)+(3329), the numbers of the minor planets named for the astronomers Chalonge and Golay, who, with their teams did extensive observing there, contributing much to the fame of the High-Alpine Research Station, run by a foundation of the academies of eight European countries. In his student years, the discoverer was several times an assistant in Chalonge’s group, thus getting the most impressive introduction to practical astronomy. (M 22508) _ _.