Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 8 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)
 08/18/2018   01:26:57   (   0.35,-135.06) (  -0.40,-138.38)  378.93                80
 08/19/2018   01:15:23   (   0.36,-135.03) (   0.22,-135.56)   60.55                80
 08/20/2018   01:03:50   (   0.36,-135.00) (   0.90,-132.74)  257.73                80
 08/22/2018   13:24:58   (  -0.35,-134.91) (   0.33,-137.75)  324.13                80
 08/23/2018   13:10:45   (  -0.36,-134.87) (  -0.37,-134.93)    7.12                80
 08/24/2018   12:59:10   (  -0.37,-134.83) (  -1.01,-132.11)  311.15                80
 08/27/2018   01:23:15   (   0.35,-134.72) (  -0.20,-137.18)  280.99                80
 08/28/2018   01:09:01   (   0.36,-134.67) (   0.44,-134.36)   36.36                80
 08/29/2018   00:57:26   (   0.37,-134.63) (   1.07,-131.53)  353.60                80