Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 7 22.  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)
 07/23/2018   01:23:40   (   0.32,-135.51) (  -0.52,-139.11)  411.10                80
 07/24/2018   01:12:07   (   0.32,-135.51) (   0.14,-136.29)   89.38                80
 07/25/2018   01:03:13   (   0.32,-135.51) (   0.80,-133.48)  232.16                80
 07/27/2018   13:24:30   (  -0.34,-135.50) (   0.39,-138.52)  345.65                80
 07/28/2018   13:12:57   (  -0.34,-135.49) (  -0.29,-135.70)   24.48                80
 07/29/2018   12:58:43   (  -0.34,-135.48) (  -0.97,-132.89)  296.59                80
 08/01/2018   01:20:03   (   0.35,-135.46) (  -0.23,-137.95)  284.24                80
 08/02/2018   01:11:09   (   0.35,-135.44) (   0.44,-135.13)   36.47                80
 08/03/2018   00:59:36   (   0.35,-135.43) (   1.10,-132.31)  356.94                80