Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 3 17.  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)
 03/18/2018   00:46:09   (  -0.06,-134.97) (   0.26,-133.49)  167.78                80
 03/19/2018   00:34:37   (  -0.06,-134.93) (   0.92,-130.68)  484.74                80
 03/20/2018   13:04:52   (   0.06,-134.87) (   0.89,-138.57)  421.82                80
 03/21/2018   12:53:19   (   0.06,-134.83) (   0.28,-135.75)  105.29                80
 03/22/2018   12:44:27   (   0.06,-134.79) (  -0.34,-132.93)  211.05                80
 03/25/2018   01:03:12   (  -0.07,-134.67) (  -0.85,-138.01)  381.92                80
 03/26/2018   00:51:40   (  -0.07,-134.62) (  -0.19,-135.20)   66.31                80
 03/27/2018   00:42:48   (  -0.07,-134.57) (   0.42,-132.38)  249.26                80
 03/29/2018   13:01:27   (   0.07,-134.44) (   0.78,-137.44)  342.73                80
 03/30/2018   12:49:55   (   0.08,-134.39) (   0.15,-134.63)   27.38                80
 03/31/2018   12:41:04   (   0.08,-134.34) (  -0.53,-131.82)  288.11                80