Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 10 31.  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)
 11/01/2017   09:37:04   (   0.00, -89.30) (   0.25, -90.47)  133.14                80
 11/02/2017   09:22:54   (   0.00, -89.30) (  -0.40, -87.67)  186.24                80
 11/04/2017   21:44:22   (  -0.00, -89.28) (  -0.83, -92.76)  397.93                80
 11/05/2017   21:32:53   (  -0.00, -89.28) (  -0.18, -89.96)   78.61                80
 11/06/2017   21:24:03   (  -0.00, -89.28) (   0.47, -87.17)  240.78                80
 11/09/2017   09:45:32   (  -0.00, -89.28) (   0.70, -92.27)  341.49                80
 11/10/2017   09:34:02   (  -0.00, -89.28) (   0.03, -89.48)   21.89                80
 11/11/2017   09:19:53   (  -0.00, -89.28) (  -0.63, -86.68)  297.90                80
 11/13/2017   21:41:23   (   0.01, -89.28) (  -0.55, -91.79)  285.55                80