Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 3.  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)
 12/04/2017   21:03:09   (  -0.00, -84.03) (   0.70, -81.11)  333.60                80
 12/08/2017   09:10:02   (   0.02, -79.28) (   0.88, -83.14)  439.38                80
 12/09/2017   08:58:26   (   0.02, -77.95) (   0.54, -80.26)  263.97                80
 12/10/2017   08:46:51   (   0.02, -76.61) (   0.20, -77.39)   88.36                80
 12/11/2017   08:37:55   (   0.02, -75.28) (  -0.14, -74.51)   87.20                80
 12/12/2017   08:26:20   (   0.02, -73.95) (  -0.48, -71.64)  263.20                80
 12/13/2017   08:14:45   (   0.02, -72.62) (  -0.88, -68.78)  439.34                80
 12/16/2017   20:21:53   (  -0.03, -67.96) (  -0.73, -70.86)  332.07                80
 12/17/2017   20:10:18   (  -0.04, -66.64) (  -0.34, -68.00)  155.30                80