Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 4 12.  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)
 04/13/2018   00:47:39   (  -0.06,-135.22) (   0.45,-133.04)  249.39                80
 04/15/2018   13:06:14   (   0.06,-135.27) (   0.72,-138.08)  321.11                80
 04/16/2018   12:54:42   (   0.06,-135.29) (   0.08,-135.26)    4.23                80
 04/17/2018   12:45:50   (   0.06,-135.31) (  -0.62,-132.46)  326.36                80
 04/20/2018   01:04:41   (  -0.05,-135.38) (  -0.53,-137.57)  249.55                80
 04/21/2018   00:55:49   (  -0.05,-135.39) (   0.11,-134.75)   73.23                80
 04/22/2018   00:44:16   (  -0.05,-135.41) (   0.74,-131.94)  395.87                80
 04/24/2018   13:02:50   (   0.04,-135.42) (   0.38,-136.98)  178.00                80
 04/25/2018   12:53:57   (   0.05,-135.43) (  -0.27,-134.17)  144.50                80
 04/26/2018   12:42:25   (   0.05,-135.44) (  -0.91,-131.35)  466.90                80