INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 919900, 'iau2000', 19900, '+proj=longlat +a=2439700 +b=2439700 +no_defs ', 'GEOGCS["Mercury 2000",DATUM["D_Mercury_2000",SPHEROID["Mercury_2000_IAU_IAG",2439700.0,0.0]],PRIMEM["Greenwich",0],UNIT["Decimal_Degree",0.0174532925199433]]');