Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 4 11.  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)
 04/12/2018   00:56:31   (  -0.06,-135.18) (  -0.20,-135.85)   75.72                80
 04/13/2018   00:47:39   (  -0.07,-135.21) (   0.42,-133.03)  248.50                80
 04/15/2018   13:06:15   (   0.06,-135.26) (   0.70,-138.08)  321.75                80
 04/16/2018   12:57:22   (   0.06,-135.28) (   0.06,-135.27)    1.99                80
 04/17/2018   12:45:50   (   0.06,-135.31) (  -0.58,-132.45)  325.49                80
 04/20/2018   01:04:41   (  -0.05,-135.36) (  -0.56,-137.56)  251.22                80
 04/21/2018   00:55:48   (  -0.05,-135.38) (   0.07,-134.75)   71.46                80
 04/22/2018   00:44:17   (  -0.05,-135.39) (   0.76,-131.94)  393.90                80
 04/24/2018   13:02:49   (   0.04,-135.40) (   0.42,-136.97)  179.85                80
 04/25/2018   12:53:57   (   0.05,-135.41) (  -0.22,-134.16)  142.52                80