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   01:23:41   (   0.32,-135.51) (  -0.49,-139.12)  411.11                80
 07/24/2018   01:12:06   (   0.32,-135.51) (   0.11,-136.29)   89.44                80
 07/25/2018   01:03:13   (   0.32,-135.51) (   0.77,-133.47)  232.16                80
 07/27/2018   13:24:31   (  -0.34,-135.50) (   0.36,-138.53)  345.65                80
 07/28/2018   13:12:57   (  -0.34,-135.49) (  -0.32,-135.71)   24.70                80
 07/29/2018   12:58:43   (  -0.34,-135.48) (  -0.94,-132.88)  296.53                80
 08/01/2018   01:20:02   (   0.35,-135.45) (  -0.26,-137.94)  284.38                80
 08/02/2018   01:11:09   (   0.35,-135.44) (   0.41,-135.12)   36.32                80
 08/03/2018   00:59:36   (   0.35,-135.43) (   1.07,-132.30)  356.77                80
 08/05/2018   13:20:50   (  -0.35,-135.39) (   0.10,-137.34)  222.38                80