Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 4.  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   09:10:01   (   0.01, -79.25) (   0.91, -83.13)  442.92                80
 12/09/2017   08:58:26   (   0.02, -77.92) (   0.57, -80.25)  267.38                80
 12/10/2017   08:46:50   (   0.02, -76.58) (   0.23, -77.38)   91.71                80
 12/11/2017   08:37:56   (   0.02, -75.25) (  -0.17, -74.52)   84.00                80
 12/12/2017   08:26:20   (   0.02, -73.92) (  -0.51, -71.65)  260.04                80
 12/13/2017   08:14:45   (   0.02, -72.60) (  -0.86, -68.77)  436.28                80
 12/16/2017   20:21:53   (  -0.03, -67.93) (  -0.70, -70.87)  335.58                80
 12/17/2017   20:10:18   (  -0.03, -66.60) (  -0.36, -67.99)  158.79                80
 12/18/2017   20:01:23   (  -0.03, -65.28) (   0.03, -65.13)   18.17                80