Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 7 21.  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)
 07/22/2016   11:33:16   (  -0.24,-135.24) (  -0.93,-132.23)  342.73                80
 07/24/2016   23:52:34   (   0.25,-135.16) (  -0.27,-137.48)  265.26                80
 07/25/2016   23:43:53   (   0.25,-135.12) (   0.36,-134.72)   46.49                80
 07/26/2016   23:32:30   (   0.25,-135.09) (   0.94,-131.95)  357.98                80
 07/29/2016   11:51:31   (  -0.27,-135.00) (   0.19,-137.13)  242.01                80
 07/30/2016   11:42:49   (  -0.27,-134.96) (  -0.39,-134.36)   68.93                80
 07/31/2016   11:31:27   (  -0.27,-134.92) (  -1.04,-131.60)  379.72                80
 08/02/2016   23:50:46   (   0.29,-134.81) (  -0.17,-136.85)  231.71                80
 08/03/2016   23:42:04   (   0.29,-134.77) (   0.42,-134.07)   79.01                80