EPSG_53044: "PROJCS[\"Sphere_Hammer_Aitoff\",GEOGCS[\"Unknown datum based upon the Authalic Sphere\",DATUM[\"Not_specified_based_on_Authalic_Sphere\",SPHEROID[\"Sphere\",6371000,0],AUTHORITY[\"EPSG\",\"6035\"]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Hammer_Aitoff\"],PARAMETER[\"False_Easting\",0],PARAMETER[\"False_Northing\",0],PARAMETER[\"Central_Meridian\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"Easting\",EAST],AXIS[\"Northing\",NORTH],AUTHORITY[\"ESRI\",\"53044\"]]" = 'PROJCS["Sphere_Hammer_Aitoff",GEOGCS["Unknown datum based upon the Authalic Sphere",DATUM["Not_specified_based_on_Authalic_Sphere",SPHEROID["Sphere",6371000,0],AUTHORITY["EPSG","6035"]],PRIMEM["Greenwich",0],UNIT["Degree",0.0174532925199433]],PROJECTION["Hammer_Aitoff"],PARAMETER["False_Easting",0],PARAMETER["False_Northing",0],PARAMETER["Central_Meridian",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","53044"]]'
Hammer-Aitoff
nullnull90,-180,-90,180