Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 3 3.  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)
 03/04/2018   12:48:30   (   0.05,-135.33) (  -0.01,-135.15)   21.47                80
 03/05/2018   12:36:58   (   0.05,-135.32) (  -0.66,-132.34)  340.49                80
 03/08/2018   00:58:21   (  -0.05,-135.26) (  -0.52,-137.42)  245.02                80
 03/09/2018   00:49:29   (  -0.05,-135.24) (   0.07,-134.59)   73.64                80
 03/10/2018   00:37:57   (  -0.05,-135.22) (   0.73,-131.78)  392.04                80
 03/12/2018   12:59:21   (   0.06,-135.17) (   0.47,-136.86)  193.13                80
 03/13/2018   12:45:10   (   0.06,-135.15) (  -0.20,-134.05)  124.95                80
 03/14/2018   12:33:38   (   0.06,-135.12) (  -0.87,-131.25)  442.91                80
 03/16/2018   01:06:32   (  -0.06,-135.06) (  -1.02,-139.12)  463.58                80
 03/17/2018   00:55:01   (  -0.07,-135.03) (  -0.36,-136.31)  146.01                80