Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 25.  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)
 12/27/2017   08:54:40   (   0.02, -75.18) (   0.70, -78.06)  329.34                80
 12/28/2017   08:43:10   (   0.02, -75.19) (   0.05, -75.26)    8.42                80
 12/29/2017   08:28:59   (   0.02, -75.20) (  -0.60, -72.46)  312.84                80
 12/31/2017   20:50:36   (  -0.02, -75.26) (  -0.54, -77.60)  266.96                80
 01/01/2018   20:41:46   (  -0.02, -75.27) (   0.12, -74.80)   54.52                80
 01/02/2018   20:30:14   (  -0.02, -75.28) (   0.72, -71.98)  375.92                80
 01/05/2018   08:51:32   (   0.02, -75.28) (   0.40, -77.05)  200.73                80
 01/06/2018   08:37:21   (   0.02, -75.30) (  -0.25, -74.24)  121.32                80
 01/07/2018   08:25:51   (   0.01, -75.32) (  -0.91, -71.44)  443.53                80
 01/08/2018   21:00:31   (  -0.02, -75.38) (  -0.93, -79.37)  454.94                15