Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 11 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 11/30/2017   21:48:21   (   0.00, -89.32) (   0.00, -92.76)  382.01                 0
 12/01/2017   21:35:19   (   0.00, -89.33) (  -0.09, -89.79)   51.84                80
 12/02/2017   21:26:28   (   0.00, -89.33) (   0.53, -86.98)  268.65                80
 12/05/2017   09:47:50   (   0.00, -89.36) (   0.60, -92.06)  307.53                80
 12/06/2017   09:33:40   (   0.00, -89.37) (  -0.03, -89.25)   12.99                80
 12/07/2017   09:22:09   (  -0.00, -89.37) (  -0.66, -86.45)  333.60                80
 12/09/2017   21:43:45   (   0.01, -89.38) (  -0.47, -91.59)  251.35                80
 12/10/2017   21:34:55   (   0.01, -89.39) (   0.15, -88.78)   69.86                80
 12/11/2017   21:23:24   (   0.01, -89.40) (   0.78, -85.97)  391.23                80
 12/14/2017   09:44:44   (  -0.01, -89.46) (   0.34, -91.05)  180.88                80