Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 12 6.  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)
 12/07/2017   12:45:55   (  -0.10,-135.42) (   0.31,-137.23)  205.94                80
 12/08/2017   12:37:05   (  -0.09,-135.43) (  -0.33,-134.42)  115.19                80
 12/09/2017   12:25:34   (  -0.09,-135.44) (  -0.96,-131.62)  436.30                80
 12/11/2017   00:56:00   (   0.11,-135.38) (  -0.88,-139.55)  476.47                80
 12/12/2017   00:44:30   (   0.10,-135.38) (  -0.20,-136.75)  155.73                80
 12/13/2017   00:35:40   (   0.10,-135.39) (   0.43,-133.94)  164.95                80
 12/14/2017   00:24:09   (   0.09,-135.39) (   1.06,-131.14)  485.52                80
 12/15/2017   12:54:19   (  -0.11,-135.47) (   0.73,-139.01)  404.51                80
 12/16/2017   12:42:48   (  -0.10,-135.47) (   0.09,-136.20)   84.04                80
 12/17/2017   12:33:58   (  -0.09,-135.47) (  -0.55,-133.40)  236.30                80
 12/20/2017   00:55:35   (   0.10,-135.40) (  -0.60,-138.54)  357.70                80