Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 11 20.  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)
 11/21/2017   21:49:51   (  -0.00, -89.30) (  -0.97, -93.59)  489.40                80
 11/22/2017   21:38:21   (  -0.00, -89.30) (  -0.37, -90.78)  169.12                80
 11/23/2017   21:29:31   (  -0.01, -89.31) (   0.29, -87.98)  151.30                80
 11/24/2017   21:18:02   (  -0.01, -89.31) (   0.95, -85.18)  471.78                80
 11/26/2017   09:50:55   (   0.01, -89.33) (   0.89, -93.06)  426.83                80
 11/27/2017   09:39:26   (   0.01, -89.33) (   0.20, -90.27)  106.16                80
 11/28/2017   09:25:15   (   0.02, -89.34) (  -0.42, -87.46)  214.67                80
 11/30/2017   21:46:48   (  -0.02, -89.36) (  -0.79, -92.58)  368.20                80
 12/01/2017   21:35:18   (  -0.02, -89.37) (  -0.12, -89.78)   47.30                80
 12/02/2017   21:26:29   (  -0.03, -89.38) (   0.56, -86.99)  273.61                80