Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 12 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)
 12/13/2017   00:35:40   (   0.10,-135.38) (   0.42,-133.94)  164.41                80
 12/14/2017   00:24:09   (   0.09,-135.39) (   1.05,-131.13)  484.80                80
 12/15/2017   12:54:19   (  -0.11,-135.45) (   0.74,-139.01)  406.05                80
 12/16/2017   12:42:48   (  -0.10,-135.46) (   0.10,-136.20)   85.77                80
 12/17/2017   12:33:58   (  -0.09,-135.45) (  -0.54,-133.39)  234.39                80
 12/20/2017   00:55:34   (   0.10,-135.38) (  -0.61,-138.54)  359.52                80
 12/21/2017   00:44:04   (   0.09,-135.38) (   0.03,-135.73)   40.16                80
 12/22/2017   00:29:53   (   0.09,-135.37) (   0.66,-132.92)  279.13                80
 12/24/2017   12:51:11   (  -0.10,-135.40) (   0.48,-137.99)  294.84                80
 12/25/2017   12:42:21   (  -0.09,-135.39) (  -0.16,-135.18)   24.23                80
 12/26/2017   12:30:50   (  -0.09,-135.38) (  -0.81,-132.38)  342.97                80