Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2017 12 26.  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   08:54:41   (   0.02, -75.18) (   0.67, -78.07)  329.34                80
 12/28/2017   08:43:10   (   0.02, -75.19) (   0.02, -75.27)    8.50                80
 12/29/2017   08:29:00   (   0.02, -75.20) (  -0.63, -72.46)  312.84                80
 12/31/2017   20:50:36   (  -0.02, -75.26) (  -0.57, -77.59)  266.97                80
 01/01/2018   20:41:45   (  -0.02, -75.27) (   0.09, -74.79)   54.40                80
 01/02/2018   20:30:15   (  -0.02, -75.28) (   0.75, -71.99)  375.89                80
 01/05/2018   08:51:31   (   0.02, -75.28) (   0.44, -77.04)  200.76                80
 01/06/2018   08:37:21   (   0.02, -75.30) (  -0.22, -74.23)  121.25                80
 01/07/2018   08:25:51   (   0.01, -75.32) (  -0.87, -71.43)  443.47                80
 01/08/2018   21:01:36   (  -0.02, -75.38) (  -0.97, -79.36)  455.02                80