Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 3 1.  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)
 03/03/2018   13:02:41   (   0.05,-135.35) (   0.65,-137.96)  297.36                80
 03/04/2018   12:48:30   (   0.04,-135.34) (  -0.00,-135.15)   21.94                80
 03/05/2018   12:36:58   (   0.04,-135.33) (  -0.65,-132.34)  341.15                80
 03/08/2018   01:01:01   (  -0.05,-135.27) (  -0.53,-137.41)  244.44                80
 03/09/2018   00:46:50   (  -0.05,-135.25) (   0.12,-134.60)   74.32                80
 03/10/2018   00:35:18   (  -0.05,-135.23) (   0.78,-131.80)  392.88                80
 03/12/2018   12:57:10   (   0.05,-135.19) (   0.42,-136.87)  191.51                52
 03/13/2018   12:45:10   (   0.05,-135.16) (  -0.19,-134.05)  126.73                80
 03/14/2018   12:33:38   (   0.06,-135.14) (  -0.85,-131.24)  444.81                80