GEOGCS["GCS_Cressida_2015_-_Sphere_Ocentric",DATUM["D_Cressida_2015_-_Sphere",SPHEROID["Cressida_2015_-_Sphere",31000.0,0.0]],PRIMEM["Reference_Meridian",0.0],UNIT["Degree",0.0174532925199433]]