Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 12 8.  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)
 12/09/2017   12:25:34   (  -0.09,-135.44) (  -0.94,-131.61)  435.93                80
 12/11/2017   00:56:00   (   0.11,-135.38) (  -0.84,-139.55)  476.63                80
 12/12/2017   00:44:30   (   0.10,-135.38) (  -0.22,-136.75)  155.97                80
 12/13/2017   00:35:39   (   0.10,-135.39) (   0.41,-133.94)  164.66                80
 12/14/2017   00:24:10   (   0.09,-135.39) (   1.09,-131.14)  485.13                80
 12/15/2017   12:54:19   (  -0.11,-135.46) (   0.69,-139.02)  405.31                80
 12/16/2017   12:42:49   (  -0.10,-135.46) (   0.05,-136.21)   84.91                80
 12/17/2017   12:33:58   (  -0.09,-135.46) (  -0.59,-133.41)  235.34                80
 12/20/2017   00:55:34   (   0.10,-135.39) (  -0.62,-138.53)  358.52                80
 12/21/2017   00:44:04   (   0.09,-135.39) (   0.02,-135.73)   39.02                80
 12/22/2017   00:29:53   (   0.09,-135.38) (   0.66,-132.92)  280.36                80