Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 8.  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)
 12/09/2017   08:58:26   (   0.01, -77.96) (   0.53, -80.26)  262.99                80
 12/10/2017   08:46:51   (   0.00, -76.63) (   0.19, -77.39)   86.63                80
 12/11/2017   08:37:55   (   0.00, -75.31) (  -0.15, -74.52)   89.83                80
 12/12/2017   08:26:21   (   0.00, -73.99) (  -0.56, -71.66)  266.66                80
 12/13/2017   08:14:45   (   0.00, -72.67) (  -0.90, -68.78)  443.74                80
 12/16/2017   20:21:53   (  -0.02, -68.03) (  -0.71, -70.86)  323.94                80
 12/17/2017   20:10:18   (  -0.02, -66.72) (  -0.31, -68.00)  146.28                80
 12/18/2017   20:01:23   (  -0.02, -65.40) (   0.04, -65.13)   31.22                80
 12/19/2017   19:49:47   (  -0.02, -64.09) (   0.38, -62.26)  209.12                80
 12/20/2017   19:38:13   (  -0.02, -62.78) (   0.78, -59.40)  387.14                80