Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 22.  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)
 12/23/2017   20:42:13   (  -0.02, -75.20) (  -0.19, -75.81)   70.85                80
 12/24/2017   20:30:44   (  -0.01, -75.20) (   0.51, -73.02)  249.59                80
 12/27/2017   08:54:41   (  -0.00, -75.18) (   0.67, -78.07)  329.88                80
 12/28/2017   08:43:10   (  -0.00, -75.19) (   0.02, -75.27)    8.85                80
 12/29/2017   08:29:00   (   0.02, -75.20) (  -0.62, -72.46)  312.87                80
 12/31/2017   20:50:36   (  -0.02, -75.26) (  -0.58, -77.59)  266.56                80
 01/01/2018   20:41:45   (  -0.02, -75.27) (   0.08, -74.79)   54.84                80
 01/02/2018   20:30:15   (  -0.02, -75.28) (   0.73, -71.98)  376.31                80
 01/05/2018   08:51:32   (   0.02, -75.28) (   0.40, -77.05)  200.92                80