Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 5.  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)
 12/08/2017   09:10:02   (   0.02, -79.28) (   0.89, -83.13)  439.99                80
 12/09/2017   08:58:26   (   0.02, -77.95) (   0.54, -80.26)  264.07                80
 12/10/2017   08:46:51   (   0.01, -76.62) (   0.20, -77.39)   87.93                80
 12/11/2017   08:37:55   (   0.01, -75.29) (  -0.14, -74.51)   88.24                80
 12/12/2017   08:26:21   (   0.01, -73.97) (  -0.54, -71.65)  264.79                80
 12/13/2017   08:14:45   (   0.01, -72.65) (  -0.89, -68.78)  441.53                80
 12/16/2017   20:21:54   (  -0.03, -67.99) (  -0.66, -70.87)  328.12                80
 12/17/2017   20:10:18   (  -0.03, -66.68) (  -0.33, -68.00)  150.78                80
 12/18/2017   20:01:23   (  -0.03, -65.36) (   0.01, -65.13)   26.44                80
 12/19/2017   19:49:47   (  -0.03, -64.04) (   0.36, -62.25)  204.04                80