Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 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)
 07/23/2018   01:23:40   (   0.32,-135.51) (  -0.50,-139.12)  411.08                80
 07/24/2018   01:12:07   (   0.32,-135.51) (   0.16,-136.30)   89.34                80
 07/25/2018   01:03:14   (   0.32,-135.51) (   0.82,-133.48)  232.30                80
 07/27/2018   13:24:30   (  -0.34,-135.50) (   0.37,-138.52)  345.47                80
 07/28/2018   13:12:57   (  -0.34,-135.49) (  -0.31,-135.71)   24.33                80
 07/29/2018   12:58:42   (  -0.34,-135.49) (  -0.93,-132.88)  296.85                80
 08/01/2018   01:20:03   (   0.35,-135.46) (  -0.21,-137.95)  283.74                80
 08/02/2018   01:11:09   (   0.35,-135.45) (   0.40,-135.12)   37.06                80
 08/03/2018   00:59:35   (   0.35,-135.44) (   1.07,-132.30)  357.54                80