Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 1.  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)
 12/01/2017   21:36:40   (  -0.00, -88.05) (   0.00, -89.81)  195.10                 0
 12/02/2017   21:23:39   (   0.00, -86.71) (  -0.03, -86.85)   15.38                80
 12/03/2017   21:14:43   (  -0.00, -85.37) (   0.29, -83.97)  158.94                80
 12/04/2017   21:03:09   (  -0.00, -84.03) (   0.68, -81.11)  333.55                80
 12/08/2017   09:10:01   (   0.02, -79.28) (   0.90, -83.13)  439.41                80
 12/09/2017   08:58:26   (   0.02, -77.95) (   0.56, -80.26)  264.01                80
 12/10/2017   08:46:50   (   0.02, -76.61) (   0.22, -77.38)   88.42                80
 12/11/2017   08:37:56   (   0.02, -75.28) (  -0.18, -74.52)   87.22                80
 12/12/2017   08:26:20   (   0.02, -73.95) (  -0.53, -71.65)  263.17                80
 12/13/2017   08:14:45   (   0.02, -72.62) (  -0.87, -68.78)  439.33                80