GEOGCRS["Toutatis (2015) - Sphere / Ocentric", DATUM["Toutatis (2015) - Sphere", ELLIPSOID["Toutatis (2015) - Sphere",1331.666667,0, LENGTHUNIT["metre",1]]], PRIMEM["Reference Meridian",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], ID["IAU",200417900,2015], REMARK["Use R_m = (a+b+c)/3 as mean radius. Use mean radius as sphere radius for interoperability. Source of IAU Coordinate systems: https://doi.org/10.1007/s10569-017-9805-5"]]