Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 3 27.  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)
 03/29/2018   13:01:27   (   0.07,-134.47) (   0.75,-137.44)  339.85                80
 03/30/2018   12:49:55   (   0.07,-134.42) (   0.13,-134.63)   24.14                80
 03/31/2018   12:41:03   (   0.07,-134.37) (  -0.50,-131.81)  291.53                80
 04/03/2018   00:59:49   (  -0.07,-134.23) (  -0.68,-136.90)  304.89                80
 04/04/2018   00:50:57   (  -0.07,-134.17) (  -0.06,-134.08)   10.47                80
 04/05/2018   00:39:25   (  -0.07,-134.12) (   0.61,-131.27)  325.31                80
 04/07/2018   12:58:02   (   0.06,-133.98) (   0.59,-136.32)  266.32                80
 04/08/2018   12:49:10   (   0.07,-133.92) (  -0.05,-133.50)   48.40                80
 04/09/2018   12:37:37   (   0.07,-133.86) (  -0.69,-130.69)  362.93                80