Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 4 18.  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)
 04/20/2018   01:04:40   (  -0.05,-135.38) (  -0.57,-137.56)  249.70                80
 04/21/2018   00:55:49   (  -0.05,-135.39) (   0.12,-134.75)   73.25                80
 04/22/2018   00:44:16   (  -0.05,-135.41) (   0.75,-131.94)  396.04                80
 04/23/2018   13:14:22   (   0.04,-135.41) (   1.07,-139.78)  499.55                80
 04/24/2018   13:02:49   (   0.04,-135.43) (   0.43,-136.97)  176.86                80
 04/25/2018   12:53:58   (   0.04,-135.44) (  -0.28,-134.17)  145.86                80
 04/26/2018   12:42:25   (   0.05,-135.45) (  -0.93,-131.35)  468.46                80
 04/28/2018   01:12:49   (  -0.03,-135.48) (  -0.91,-139.27)  432.75                80
 04/29/2018   01:01:16   (  -0.03,-135.49) (  -0.27,-136.46)  110.44                80
 04/30/2018   00:52:24   (  -0.04,-135.50) (   0.37,-133.64)  211.77                80
 05/02/2018   13:10:56   (   0.02,-135.50) (   0.75,-138.68)  362.91                80