Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 3 14.  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   01:06:33   (  -0.06,-135.03) (  -1.01,-139.12)  466.55                80
 03/17/2018   00:55:01   (  -0.06,-135.00) (  -0.35,-136.31)  149.35                80
 03/18/2018   00:46:09   (  -0.06,-134.97) (   0.25,-133.49)  167.76                80
 03/19/2018   00:34:37   (  -0.06,-134.93) (   0.91,-130.68)  484.63                80
 03/20/2018   13:04:52   (   0.06,-134.87) (   0.91,-138.57)  421.87                80
 03/21/2018   12:53:19   (   0.06,-134.83) (   0.29,-135.75)  105.41                80
 03/22/2018   12:44:28   (   0.06,-134.79) (  -0.39,-132.94)  210.88                80
 03/25/2018   01:03:11   (  -0.07,-134.67) (  -0.86,-138.01)  382.36                80
 03/26/2018   00:51:40   (  -0.07,-134.62) (  -0.19,-135.20)   66.79                80
 03/27/2018   00:42:47   (  -0.07,-134.57) (   0.41,-132.38)  248.71                80