Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 3 15.  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)
 03/16/2018   01:06:32   (  -0.06,-135.03) (  -1.02,-139.12)  466.58                80
 03/17/2018   00:55:01   (  -0.06,-135.00) (  -0.37,-136.31)  149.35                80
 03/18/2018   00:46:09   (  -0.06,-134.97) (   0.29,-133.50)  167.74                80
 03/19/2018   00:34:37   (  -0.06,-134.93) (   0.89,-130.68)  484.64                80
 03/20/2018   13:04:51   (   0.06,-134.87) (   0.92,-138.56)  422.01                80
 03/21/2018   12:53:19   (   0.06,-134.83) (   0.30,-135.75)  105.59                80
 03/22/2018   12:44:27   (   0.06,-134.78) (  -0.37,-132.94)  210.72                80
 03/25/2018   01:03:12   (  -0.07,-134.67) (  -0.82,-138.02)  382.37                80
 03/26/2018   00:51:40   (  -0.07,-134.62) (  -0.21,-135.20)   66.78                80
 03/27/2018   00:42:48   (  -0.07,-134.57) (   0.45,-132.39)  248.72                80
 03/29/2018   13:01:27   (   0.08,-134.44) (   0.80,-137.44)  343.40                80