INPUT: propag.def init_orbdet. .methods = Gauss Vaisala ! method for preliminary orbit .verbose = 2 ! verbose operations. .init_orbdet=0 ! initial orbit determination .diffcor=0 ! differential correction .ident=0 ! identifications .ephem=0 ! ephemerides .magfit=0 ! magnitude determination object1. .obs_dir=' ' ! observations directory object2. .obs_dir=' ' ! observations directory output. .elements='EQU' ! output elements error_model. .name=' ' ! error model