diff --git a/src/encounter/encounter_io.f90 b/src/encounter/encounter_io.f90
index ba00e3634..1e2f97a1a 100644
--- a/src/encounter/encounter_io.f90
+++ b/src/encounter/encounter_io.f90
@@ -21,6 +21,7 @@ module subroutine encounter_io_dump_storage_list(self, param)
       class(swiftest_parameters),  intent(inout) :: param  !! Current run configuration parameters 
    end subroutine encounter_io_dump_storage_list
 
+
    module subroutine encounter_io_initialize_output(self, param)
       !! author: David A. Minton
       !!
@@ -33,6 +34,7 @@ module subroutine encounter_io_initialize_output(self, param)
       return
    end subroutine encounter_io_initialize_output
 
+
    module subroutine encounter_io_open_file(self, param, readonly)
       !! author: David A. Minton
       !!
diff --git a/src/modules/symba_classes.f90 b/src/modules/symba_classes.f90
index 42b676c22..988d75d95 100644
--- a/src/modules/symba_classes.f90
+++ b/src/modules/symba_classes.f90
@@ -30,6 +30,7 @@ module symba_classes
       real(DP)                                :: min_GMfrag     = -1.0_DP !! Smallest G*mass that can be produced in a fragmentation event
       integer(I4B), dimension(:), allocatable :: seed                     !! Random seeds
       logical                                 :: lfragmentation = .false. !! Do fragmentation modeling instead of simple merger.
+      character(STRMAX)                       :: encounter_save = "NONE"  !! Indicate how encounter and/or fragmentation data should be saved
    contains
       procedure :: reader => symba_io_param_reader
       procedure :: writer => symba_io_param_writer
diff --git a/src/symba/symba_io.f90 b/src/symba/symba_io.f90
index 38ead96f1..9cfd8ba9a 100644
--- a/src/symba/symba_io.f90
+++ b/src/symba/symba_io.f90
@@ -63,6 +63,9 @@ module subroutine symba_io_param_reader(self, unit, iotype, v_list, iostat, ioms
                   read(param_value, *) param%GMTINY
                case ("MIN_GMFRAG")
                   read(param_value, *) param%min_GMfrag
+               case ("ENCOUNTER_SAVE")
+                  call io_toupper(param_value)
+                  read(param_value, *) param%encounter_save
                case("SEED")
                   read(param_value, *) nseeds_from_file
                   ! Because the number of seeds can vary between compilers/systems, we need to make sure we can handle cases in which the input file has a different
@@ -113,6 +116,13 @@ module subroutine symba_io_param_reader(self, unit, iotype, v_list, iostat, ioms
          ! All reporting of collision information in SyMBA (including mergers) is now recorded in the Fraggle logfile
          call io_log_start(param, FRAGGLE_LOG_OUT, "Fraggle logfile")
 
+         if ((param%encounter_save /= "NONE") .and. (param%encounter_save /= "ALL") .and. (param%encounter_save /= "FRAGMENTATION")) then
+            write(iomsg,*) 'Invalid encounter_save parameter: ',trim(adjustl(param%out_type))
+            write(iomsg,*) 'Valid options are NONE, ALL, or FRAGMENTATION'
+            iostat = -1
+            return
+         end if
+
          ! Call the base method (which also prints the contents to screen)
          call io_param_reader(param, unit, iotype, v_list, iostat, iomsg) 
       end associate