/usr/share/xplanet/ is in xplanet 1.3.0-4+b1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/xplanet/arcs/
/usr/share/xplanet/arcs/README
/usr/share/xplanet/arcs/constellations
/usr/share/xplanet/config/
/usr/share/xplanet/config/README
/usr/share/xplanet/config/default
/usr/share/xplanet/config/earth_markers
/usr/share/xplanet/config/moon_orbit
/usr/share/xplanet/config/overlay_clouds
/usr/share/xplanet/ephemeris/
/usr/share/xplanet/ephemeris/README
/usr/share/xplanet/fonts/
/usr/share/xplanet/fonts/FreeMonoBold.ttf
/usr/share/xplanet/fonts/README
/usr/share/xplanet/markers/
/usr/share/xplanet/markers/README
/usr/share/xplanet/markers/brightStars
/usr/share/xplanet/markers/earth
/usr/share/xplanet/markers/mars
/usr/share/xplanet/markers/moon
/usr/share/xplanet/origin/
/usr/share/xplanet/origin/README
/usr/share/xplanet/origin/cassini
/usr/share/xplanet/origin/galileo
/usr/share/xplanet/rgb.txt
/usr/share/xplanet/satellites/
/usr/share/xplanet/satellites/README
/usr/share/xplanet/satellites/iss
/usr/share/xplanet/satellites/iss.tle
/usr/share/xplanet/spice/
/usr/share/xplanet/spice/README
/usr/share/xplanet/spice/asteroids
/usr/share/xplanet/spice/asteroids.krn
/usr/share/xplanet/spice/cassini
/usr/share/xplanet/spice/cassini.krn
/usr/share/xplanet/spice/mgs
/usr/share/xplanet/spice/mgs.krn
/usr/share/xplanet/spice/voyager
/usr/share/xplanet/spice/voyager.krn
/usr/share/xplanet/stars/
/usr/share/xplanet/stars/BSC