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)
 10/31/2017   09:48:33   (   0.00, -89.30) (   0.89, -93.27)  452.45                80
 11/01/2017   09:37:03   (   0.00, -89.30) (   0.30, -90.46)  133.19                80
 11/02/2017   09:22:54   (   0.00, -89.30) (  -0.36, -87.66)  186.20                80
 11/04/2017   21:44:22   (  -0.00, -89.28) (  -0.81, -92.77)  397.96                80
 11/05/2017   21:32:53   (  -0.00, -89.28) (  -0.17, -89.97)   78.62                80
 11/06/2017   21:24:03   (  -0.00, -89.28) (   0.48, -87.17)  240.72                80
 11/09/2017   09:45:32   (  -0.00, -89.28) (   0.68, -92.28)  341.57                80
 11/10/2017   09:34:03   (  -0.00, -89.28) (   0.02, -89.48)   22.07                80
 11/11/2017   09:19:52   (  -0.00, -89.28) (  -0.58, -86.67)  297.81                80
 11/13/2017   21:41:22   (   0.01, -89.28) (  -0.60, -91.78)  285.66                80