Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-19
TLE Epoch: 2018 6 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)
 06/21/2018   21:15:34   (   0.00, -75.19) (  -0.70, -78.13)  335.30                80
 06/22/2018   21:04:01   (   0.00, -75.20) (   0.00, -75.32)   12.98                80
 06/23/2018   20:55:08   (   0.00, -75.21) (   0.65, -72.50)  310.12                80
 06/26/2018   09:16:28   (  -0.01, -75.25) (   0.51, -77.56)  263.47                80
 06/27/2018   09:02:14   (  -0.02, -75.26) (  -0.13, -74.74)   59.53                80
 06/28/2018   08:50:42   (  -0.02, -75.28) (  -0.82, -71.93)  382.64                80
 06/30/2018   21:14:40   (   0.03, -75.31) (  -0.33, -76.99)  191.13                80
 07/01/2018   21:00:27   (   0.03, -75.33) (   0.32, -74.17)  132.64                80
 07/02/2018   20:48:54   (   0.04, -75.35) (   0.96, -71.35)  456.52                80
 07/04/2018   09:24:27   (  -0.04, -75.40) (   0.88, -79.23)  438.44                80