Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 4 13.  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)
 04/15/2018   13:06:14   (   0.06,-135.26) (   0.71,-138.08)  321.50                80
 04/16/2018   12:54:42   (   0.06,-135.29) (   0.07,-135.26)    2.63                80
 04/17/2018   12:45:50   (   0.06,-135.31) (  -0.58,-132.45)  325.92                80
 04/20/2018   01:04:40   (  -0.05,-135.37) (  -0.57,-137.56)  250.52                80
 04/21/2018   00:55:49   (  -0.05,-135.38) (   0.12,-134.76)   72.24                80
 04/22/2018   00:44:16   (  -0.05,-135.40) (   0.76,-131.94)  394.77                80
 04/24/2018   13:02:49   (   0.04,-135.41) (   0.42,-136.97)  178.84                80
 04/25/2018   12:53:57   (   0.05,-135.42) (  -0.22,-134.16)  143.62                80
 04/26/2018   12:42:24   (   0.05,-135.43) (  -0.87,-131.34)  466.01                80