Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 24.  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, -75.21) (   0.69, -78.07)  326.36                80
 12/28/2017   08:43:10   (   0.02, -75.23) (   0.04, -75.26)    4.72                80
 12/29/2017   08:28:59   (   0.02, -75.24) (  -0.61, -72.46)  317.25                80
 12/31/2017   20:50:35   (  -0.03, -75.31) (  -0.58, -77.59)  260.39                80
 01/01/2018   20:41:45   (  -0.03, -75.33) (   0.07, -74.79)   61.82                80
 01/02/2018   20:30:14   (  -0.04, -75.35) (   0.73, -71.98)  384.08                80
 01/05/2018   08:51:31   (   0.05, -75.37) (   0.45, -77.04)  190.74                80
 01/06/2018   08:37:21   (   0.05, -75.39) (  -0.21, -74.23)  132.11                80
 01/07/2018   08:25:50   (   0.05, -75.42) (  -0.86, -71.43)  455.15                80