Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 21.  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)
 12/22/2017   20:53:44   (  -0.01, -75.20) (  -0.82, -78.62)  391.40                80
 12/23/2017   20:42:13   (  -0.01, -75.19) (  -0.18, -75.81)   71.69                80
 12/24/2017   20:33:23   (  -0.01, -75.19) (   0.46, -73.01)  248.29                80
 12/27/2017   08:54:41   (   0.02, -75.14) (   0.67, -78.07)  333.63                80
 12/28/2017   08:43:10   (   0.02, -75.14) (   0.02, -75.27)   13.73                80
 12/29/2017   08:29:00   (   0.02, -75.15) (  -0.63, -72.46)  306.82                80
 12/31/2017   20:50:36   (  -0.03, -75.19) (  -0.58, -77.59)  274.03                80
 01/01/2018   20:41:45   (  -0.03, -75.19) (   0.08, -74.79)   46.54                80
 01/02/2018   20:30:15   (  -0.04, -75.20) (   0.73, -71.98)  367.19                80