https://spatialreference.org/ref/iau_2015/70215/
IAU_2015:70215 Umbriel (2015) - Sphere / Ocentric / Equirectangular, clon = 180 -- Spatial Reference
IAU_2015:70215 Umbriel (2015) - Sphere / Ocentric / Equirectangular, clon = 180 - spatial reference system
iauumbrielsphere
https://astrobiology.com/umbriel
Umbriel Archives - Astrobiology
Welcome to Astrobiology.com
umbrielarchivesastrobiology