Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 4 19.  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   01:04:41   (  -0.04,-135.38) (  -0.55,-137.56)  249.69                80
 04/21/2018   00:55:48   (  -0.05,-135.39) (   0.08,-134.75)   73.29                80
 04/22/2018   00:44:17   (  -0.05,-135.41) (   0.77,-131.94)  396.09                80
 04/23/2018   13:14:22   (   0.04,-135.41) (   1.05,-139.79)  499.38                80
 04/24/2018   13:02:50   (   0.04,-135.43) (   0.40,-136.97)  176.64                80
 04/25/2018   12:53:57   (   0.04,-135.44) (  -0.24,-134.16)  146.06                80
 04/26/2018   12:42:25   (   0.05,-135.45) (  -0.89,-131.34)  468.71                80
 04/28/2018   01:12:49   (  -0.03,-135.48) (  -0.89,-139.28)  432.56                80
 04/29/2018   01:01:16   (  -0.03,-135.49) (  -0.25,-136.46)  110.21                80
 04/30/2018   00:52:24   (  -0.03,-135.50) (   0.40,-133.64)  212.00                80
 05/02/2018   13:10:57   (   0.01,-135.50) (   0.73,-138.68)  362.54                80
 05/03/2018   12:59:24   (   0.02,-135.51) (   0.08,-135.87)   40.87                80