Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 12 7.  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)
 12/08/2017   12:37:05   (  -0.09,-135.43) (  -0.35,-134.43)  115.15                80
 12/09/2017   12:25:35   (  -0.09,-135.44) (  -0.99,-131.62)  436.21                80
 12/11/2017   00:56:00   (   0.11,-135.38) (  -0.86,-139.55)  476.43                80
 12/12/2017   00:44:30   (   0.10,-135.38) (  -0.23,-136.74)  155.73                80
 12/13/2017   00:35:40   (   0.10,-135.39) (   0.45,-133.95)  164.96                80
 12/14/2017   00:24:10   (   0.09,-135.39) (   1.08,-131.14)  485.50                80
 12/15/2017   12:54:19   (  -0.11,-135.47) (   0.71,-139.01)  404.67                80
 12/16/2017   12:42:49   (  -0.10,-135.47) (   0.07,-136.21)   84.19                80
 12/17/2017   12:33:58   (  -0.09,-135.47) (  -0.58,-133.40)  236.08                80
 12/20/2017   00:55:34   (   0.10,-135.40) (  -0.63,-138.53)  357.79                80
 12/21/2017   00:44:03   (   0.09,-135.39) (   0.01,-135.73)   38.23                80