Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 20.  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   20:56:24   (  -0.02, -75.20) (  -0.82, -78.62)  390.34                80
 12/23/2017   20:44:53   (  -0.01, -75.20) (  -0.18, -75.81)   70.41                80
 12/24/2017   20:30:44   (  -0.01, -75.20) (   0.52, -73.02)  249.80                80
 12/27/2017   08:54:41   (   0.01, -75.17) (   0.67, -78.07)  331.09                80
 12/28/2017   08:43:10   (   0.01, -75.17) (   0.03, -75.27)   10.53                80
 12/29/2017   08:29:00   (   0.01, -75.18) (  -0.62, -72.46)  310.13                80
 12/31/2017   20:53:16   (  -0.02, -75.23) (  -0.59, -77.59)  269.55                80
 01/01/2018   20:39:05   (  -0.02, -75.24) (   0.06, -74.79)   51.34                80
 01/02/2018   20:27:35   (  -0.02, -75.25) (   0.72, -71.98)  372.26                80