/usr/share/stellarium/landscapes/saturn/ is in stellarium-data 0.14.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/stellarium/landscapes/saturn/description.ar.utf8
/usr/share/stellarium/landscapes/saturn/description.be.utf8
/usr/share/stellarium/landscapes/saturn/description.bg.utf8
/usr/share/stellarium/landscapes/saturn/description.bn.utf8
/usr/share/stellarium/landscapes/saturn/description.de.utf8
/usr/share/stellarium/landscapes/saturn/description.en.utf8
/usr/share/stellarium/landscapes/saturn/description.fr.utf8
/usr/share/stellarium/landscapes/saturn/description.hu.utf8
/usr/share/stellarium/landscapes/saturn/description.nb.utf8
/usr/share/stellarium/landscapes/saturn/description.pt_BR.utf8
/usr/share/stellarium/landscapes/saturn/description.ru.utf8
/usr/share/stellarium/landscapes/saturn/description.uk.utf8
/usr/share/stellarium/landscapes/saturn/landscape.ini
/usr/share/stellarium/landscapes/saturn/saturn-256.png