Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 4 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)
 04/28/2018   01:12:49   (  -0.03,-135.48) (  -0.90,-139.27)  433.01                80
 04/29/2018   01:01:16   (  -0.03,-135.48) (  -0.26,-136.46)  110.82                80
 04/30/2018   00:52:24   (  -0.03,-135.49) (   0.39,-133.64)  211.23                80
 05/02/2018   13:10:57   (   0.01,-135.49) (   0.72,-138.68)  363.30                80
 05/03/2018   12:59:24   (   0.02,-135.50) (   0.07,-135.87)   41.85                80
 05/04/2018   12:50:32   (   0.02,-135.50) (  -0.58,-133.05)  279.67                80
 05/07/2018   01:09:22   (   0.00,-135.50) (  -0.62,-138.16)  303.07                80
 05/08/2018   01:00:30   (  -0.00,-135.50) (   0.04,-135.34)   17.99                80
 05/09/2018   00:48:57   (  -0.01,-135.49) (   0.70,-132.53)  338.98                80
 05/11/2018   13:07:29   (  -0.01,-135.47) (   0.47,-137.56)  238.36                80