Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 9 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 09/28/2016   12:01:09   (   0.19,-135.41) (   0.81,-138.01)  296.80                80
 09/29/2016   11:52:26   (   0.20,-135.41) (   0.16,-135.25)   19.01                80
 09/30/2016   11:41:04   (   0.20,-135.41) (  -0.49,-132.48)  334.81                80
 10/03/2016   00:00:09   (  -0.17,-135.36) (  -0.72,-137.67)  264.37                80
 10/03/2016   23:51:26   (  -0.18,-135.35) (  -0.06,-134.91)   51.15                80
 10/04/2016   23:40:03   (  -0.19,-135.34) (   0.55,-132.13)  366.53                80
 10/07/2016   11:59:11   (   0.15,-135.37) (   0.60,-137.34)  224.79                80
 10/08/2016   11:50:27   (   0.16,-135.36) (  -0.01,-134.57)   89.81                80
 10/09/2016   11:39:04   (   0.16,-135.34) (  -0.62,-131.79)  404.28                80