Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 11 25.  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)
 11/26/2017   00:30:17   (   0.08,-135.14) (   0.56,-133.15)  228.46                80
 11/28/2017   12:49:01   (  -0.10,-135.29) (   0.58,-138.24)  336.45                80
 11/29/2017   12:37:30   (  -0.09,-135.31) (  -0.05,-135.43)   14.11                80
 11/30/2017   12:28:41   (  -0.09,-135.33) (  -0.74,-132.64)  308.11                80
 12/03/2017   00:47:35   (   0.10,-135.28) (  -0.44,-137.76)  282.19                80
 12/04/2017   00:38:44   (   0.09,-135.29) (   0.17,-134.95)   39.00                80
 12/05/2017   00:27:14   (   0.08,-135.30) (   0.78,-132.14)  359.98                80
 12/07/2017   12:45:55   (  -0.10,-135.40) (   0.32,-137.23)  208.68                80
 12/08/2017   12:37:05   (  -0.09,-135.40) (  -0.32,-134.42)  112.12                80
 12/09/2017   12:25:34   (  -0.09,-135.41) (  -0.95,-131.62)  432.93                80